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X+4.8=7.2X6.5=3.2X8=0.4 6X+18=483(X+2.1)=10.5 129X=2.72X+2.82=10.4(2614)8 50(2+80) (1012)63 (2723)12(3816)24 (2438)6 (8742)15 (84153)16(4928) 45(8448 )(58+37)6 (64-9)5 95(64-45) (19-14)9 5(6+42) (81-70)6(9+31)11 (85+14)7 (14+20)26 (28+16)8(52-82)18 (12-36)41 (58+37)8 (64-9)5 (68-68)55 12(4+12) 32(15+25) (6-1)6565(48-124) 58(87-13) 42(746) (6+9)2.5 (71-56)92 6(37-29) 12(6+8) (12-7)6 12(6+7 ) 68(19+32) (58+37)2 (64-45)4(88-64)21 (16+64)65 10(4-5 ) 38(50-10) (18+22)8 (37+21)38 (5024)9 (18+25)+2(37+44)11 (42+22 ) 8 (28+22) 35 (37+10) 96(21+78) 10 6(25+75) (22+68) 28 (9073)10 (2318)3 (2310)2 (4929) 3 (23+95)5(3+98)5 (183)6 12(25+66) 75(24+66) 13(25+4) (1312)3 (12+24)5 (7025 )3232(25+12) 88(12+44) 10(76+9) 58(98+2) 17(1017) (84+36) 64 75(9+2) 83(10+55) 98(19+8) 12(18+12) 12(3+85) 50(344) 25(24+16) 55(99-9) (7+9)57 73(25+4) (13+12)14 (13+49) 55 (19+46) 88 (55+99) 5 (13+13) 22 (15+13) 55 (19+11) 22 22(15+16)(44+66) 5 (54+6)3 (13+15) 5 15(46+55)(13+22) 55 12(5+66) 224221 213410 402174 147728 94420 280412052 202369 305240 819877 665+774 921+74 8062 7707+65 807202 100505 35357 30230260083 401005 434255 (55+6)560123 648456 640604 57486 427366 374198104204 153105 25542 ( 58)7 729366 214549 72895 364212 255164 567366 500(400396) 7295564+264-453 7650-(546+4530) 659-450980+980 9000-(4500+250) 6700+72846+95 900(71-68) 809-426 126453 8(910-720) 760-540+11 65+1250-3500 8030+5600 9450-3200-4200 2400645 800 7180 16002230 4000 8 + 350 320864 270 3 96 30 9 + 320 2800+32 6 30069 (6900-2400) 5 (729)(568) 54 9 82 80 4 5 608+1570 60(23-17) 96049 35059 4505+1250 (6900-2400)5 7515205 309066 (387387)0 16016080 7505505 (111189)3 1258100 62500 (17)(166) 81044 3311491 87299299 587496674 26602626 153153+657 32(3216) 300(300222) 7515205 75(2520) 33901095 687(9967) 10224221 213410 402174(1000988) 35602090 (250150)30 6879993(4870-3675)72009 (94+56) 3 (35070) 5 224221 213410 402174 147728 94420 2804 12052 202369 305240819877 665+774 921+73 8062 7707+65 807202 100505 35357 302302 60083 401005 434255 60123 648456 640604 57486 427366 374198104204 153105 255426 35587 729366 214549 72895 364212 255164 567366 500(400396) 72955 64+264-453 7650-(546+4530) 659-450 980+980 9000-(4500+250) 6700+728146+95 900(71-68) 1809-426 126453 8(910-720) 760-540+1110 6500+1250-3500 8030+5600 9450-3200-4200 2400645 800 7180 16002230 4000 8 + 350 320864 270 3 96 30 9 + 320 2800+32 6 30069 (6900-2400) 5 (729)(568) 54 9 82 80 4 5 608+1570 60(23-17) 96049 35059 4505+1250 (6900-2400)5 7515205 309066 (5+9)66 (6+4)57505505 (111189)3 1258100 62500 (17)(166) 81044 3311491 87299299 587496674 26602626 51+657 32(3216) 300(300222) 7515205 (15075)5(2520)2 33901095 687(9967) 100(10098) 35602090 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5 8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8 9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18 11/14-3/14+1/8 =4.05-(2.8+0.7) =0.55 4.05-2.8-0.7 =4.05-(2.8+0.7) =0.55 212+198 =(200+12)+(100+98) =200+12+100+98 =12+98+100+200 =110+100+200 =410 13.75-(3.75+6.48) =13.75-3.75-6.48 =10-6.48 =3.52(0.75*42.7+57.3-0.573*25)/3*7972=(0.75*42.7+57.3*1-57.3*0.25)/3*7972=0.75*42.7+57.3(1-0.25)/3*7972=0.75*42.7+57.3*0.75/3*7972=(42.7+57.3)*0.75/3*7972=75/3*7972=25*7972=199300 3.45*0.6*2.8=3.452.80.6=5.796 4.025.40.98=4.02+0.98+5.4=5+5.4=10.4 5.171.83.2 =5.17-(1.8+3.2)=5.17-5=0.1713.75(3.756.48)=13.75-3.75-6.48=3.5233*145+33*55=(145+55)*33=200*33=6600369*136-36*369=100*369=36900193*51+193*49=100*193=1930025*32=25*4*8=80079*16+79*78+79*6=(16+78+6)*79=100*79=790025*32=25*4*8=800193*51+193*49=100*193=19300369*136-36*369=100*369=3690033*145+33*55=(145+55)*33=200*33=66001.45+156= 135 2.25058=400 3.6524=60 4.303+8=98 5.4004+205= 200 6.10+123+20=34 7.(8020+80)4=21 8.70+(100-105)=120 9.36040+10= 19 10.4020-200= 600 11.(80-25)*2= 110 12.70+45=115 13.9023= 60 14.1663= 32 15.30069= 200 16.54097=420 17.302015= 20 18.40047= 700 19.(350-80)9= 30 20.160+70+50=280 21.18-648= 10 22.426+20=27 23.40-57= 5 24.80+603=100 25.41+182= 50 26.75-115= 20 27.42+7-29= 20 28.560080=70 29.25164= 100 30.120255= 600 31.36113= 132 32.1025258=328 33.336+70-6= 400 34.2594= 900 35.200-333= 101 36.3020-1010=2010 37.1250+10= 610 38.258+199= 399 39.2311-13= 240 40.12525-5=0 41.4200-2200+200=2200 42.220+80-150=150 43.2085= 800 44.600-3200=0 45.20+202= 30 46.35-255= 30 47.36+8-40= 4 1)25%*132+1/4*8 2)32*0.125*25 =1/4*132+1/4*8 =(4+8)*0.125*25 =1/4*(132+8) =(4*25)*(8*0.125) =1/4*140 =100*1 =35 =1000 3)75%*76+25*4+0.75*12 =3/4*76+3/4*12+25*4 =3/4*88+100 =166 4)3200*1/82/5+1270 5)(2/3+4/5)*7/6 =400*5/2+1270 =22/15*7/6 =1000+1270 =77/45 =2270 5)6*(1/2+2/3) 6)132*(44176) =6*1/2+6*2/3 =132*1/4 =33 =3+4 =7 7)72.25%*99+75.25% =75.25%*99+75.25%*1 =75.25%*(99+1) =75.25%*100 =75.25 2700(506499)900 33.02(148.490.85)2.5 =27007900 =33.0257.552.5 =18900900 =33.0223.02 =21 =10 (111)5.1 18.1(30.2990.23)1 =(11)5.1 =18.11.7X1 =05.1 =18.11.7 =0 =19.86.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 73.81.6413.85.3647.87.45+8.8 0.398+0.36+3.6415.75+3.590.59+14.2566.868.661.34 0.2516.24 (1.250.125)8 3.6102 3.723.56.283.5 36.83.96.115.613.115.615.62.1 4.87.8780.52 324.90.9 4.8100.1 56.59.956.5 7.0910.80.87.09 25.48(9.40.52) 4.23.5 3201.258 18.769.918.76 3.522.50.4 3.94.16.15.95.63.5 9.60.80.4 4.2994.2 17.8(1.784) 0.491.4 1.252.532 3.6510.1 15.20.254 0.89100.1 146.5(2346.5)3.834.563.835.44 4.3612.58 9.7999.7 27.53.77.53.7 8.542.50.4 0.65101 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.47.20.22.41.4 8.91.01 7.74(2.81.3)1.52.263.92.73.97.3 181.80.1250.8 12.79.91.27 21(9.33.7)5.6 15.02-6.8-1.02 5.411-5.4 2.316+2.323+2.3 9.43-(6.28-1.57) 3.654.736.50.37 46572386 13.70.253.74 2.229.9+6.666.7 1010.87-0.9187 10.716.1-15.110.7 0.79199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.40.236.6 0.253612.7(3.70.84) 36.541.764.54 0.250.7347.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8(4.31.25) 3.123.1299 28.610128.60.8615.70.8614.7 2.4102 2.311.20.5147.322.68 2.648.677.3611.33 7028 (2.50.25)0.4 9.161.50.59.16 3.63.60.5 63.42.50.4 4.91.4 3.9(1.35) (7.71.54)0.7 2.52.4 2.745 15(0.150.4)0.351.2520.8 32.40.90.132.4 150.25 4.51.8 4.23.5 9300.65 12.7(3.70.84) 36.541.764.54 0.250.734 12.50.960.8 10.49.60.350.258.54 7.60.80.27.60.8615.70.8614.7 2.311.20.5 147.322.68 2.648.677.3611.33 63.42.50.4 3.251.790.591.75 23.40.813.47.25.41.8+2401.5 30657381065 2357183317357 23651086214 138254 (13125)(38) (12+24+80)50 2532125 32(25+125) 178101178 8436+6484 7599+275 83102832 123181233+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 2356(1356721) 1235(17801665) 7527+192 5 31870+13310 4(2565+2528) 2.73 0.89 1.27 4.37 0.28 1.63 5.72 10 0.432 2.568 9.3 5.26 2.74 13.4(3.45.2) 14.9(5.24.9) 18.32 5.47 4.32 17.29 5.28 6.29 25 6.8 0.04 0.25 32 0.125 6.4 1.25 12.5 3.28 5.7 6.72 5.7 2.1 99 2.1 1.7 9.9 0.17 23 0.1 2.3 9.9 0.18 4.26 0.18 4.26 0.58 1.3 0.58 1.3 7.3 4 2.7 0.25 3.75 0.5 2.75 2 5.26 0.125 2.74 8 9.5 (1.9 8) 12.8 (0.4 1.6) 930 0.6 5 63.4 2.5 0.4 (7.7 1.54) 0.7 (11.7 9.9) 0.9 6.94.83.1 15.89(6.755.89) 7.852.340.854.66 35.61.815.67.2 13.75(3.756.48) 47.87.45+2.55 66.868.661.34 0.2516.24 0. 2532 0.125 2 .5 (4 +0.4) (1.250.125)8 56.59.956.5 5.411-5.4 3.834.563.835.44 7.0910.80.87.09 3.654.736.50.37 13.70.253.74 10.716.1-1.110.7 +10.7 5 3.9(1.35) 63.42.50.4 (7.71.4)0.7 900072(1.250.78) 61-(1.25+2.50.7) (10-0.8)+9.85-20.125 12+5268.32-2569 789+456-78 181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755) 2214+638+286 30657381065 138254 (13125)(38) (12+24+80)502532125 32(25+125) 178101178 8436+6484 7599+275 83102832 123181233+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 158+262+138 375+219+381+225 50012471021232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755) 2214+638+286 1024.5 7.86.92.26.9 5.60.25 8(201.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 9405-29402821 920-1680407 690+4752-398 148+332864-75 3602432+730 2100-94+4854 51+(2304-2042)23 4215+(4361-716)81 (247+18)2725 36-720(36018) 1080(63-54)80 (528+912)5-6178 85284138-904 264+318-828069 (174+209)26- 9000 814-(278+322)15 1406+735945 3168-782838+504 796-5040(6307) 285+(3000-372)36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1(30.2990.23)1 2.(6.8-6.80.55)8.5 3.0.12 4.80.124.8 4.(3.21.5+2.5)1.6 (2)3.2(1.5+2.5)1.6 5.6-1.64= 5.38+7.85-5.37= 6.7.20.8-1.25= 6-1.193-0.43= 7.6.5(4.8-1.24)= 0.681.9+0.321.9 8.10.15-10.750.4-5.7 9.5.8(3.87-0.13)+4.23.74 10.32.52-(6+9.7283.2)2.5 11.(7.1-5.6)0.9-1.15 2.5 12.5.42.6(3.7-2.9)+0.62 13.126(12-7.2)-6 14.1267.2-6 15.33.02(148.490.85)2.5 7(5/21+9/714) 下面各题怎样算简便就怎样算。6.94.83.1 0.4566.223.78 15.89(6.755.89)4.025.40.98 5.171.83.2 13.75(3.756.48)3.687.562.68 7.852.340.854.66 35.61.815.67.23.822.90.189.1 9.64.83.6 7.140.532.475.272.860.661.63 13.354.682.65 73.81.6413.85.3647.87.45+8.8 0.398+0.36+3.64 15.75+3.590.59+14.2566.868.661.34 0.2516.24 (1.250.125)83.6102 3.723.56.283.5 36.83.96.115.613.115.615.62.1 4.87.8780.52 324.90.9 4.8100.1 56.59.956.5 7.0910.80.87.0925.48(9.40.52) 4.23.5 3201.258 18.769.918.76 3.522.50.4 3.94.16.15.95.63.5 9.60.80.4 4.2994.2 17.8(1.784) 0.491.4 1.252.532 3.6510.1 15.20.254 0.89100.1 146.5(2346.5)3.834.563.835.44 4.3612.58 9.7999.7 27.53.77.53.7 8.542.50.4 0.65101 3.20.2512.5 (45.932.7)80.125 3.140.6831.40.032 5.61.250.82.50.47.20.22.41.4 8.91.01 7.74(2.81.3)1.52.263.92.73.97.3 181.80.1250.8 12.79.91.27 21(9.33.7)5.6 15.02-6.8-1.02 5.411-5.4 2.316+2.323+2.3 9.43-(6.28-1.57) 3.654.736.50.37 46572386 13.70.253.74 2.229.9+6.666.7 1010.87-0.9187 10.716.1-15.110.7 0.79199 4.8+8.63+5.2+0.37 5.93+0.19+2.81 1.76+0.195+3.24 2.35+1.713+0.287+7.65 1.57+0.245+7.43 6.02+3.6+1.980.134+2.66+0.866 1.27+3.9+0.73+16.1 7.54.96.5 3.070.381.62 1.293.72.716.3 82.451.553.251.790.591.75 23.40.813.47.2 0.324033.20.364.81.64 1.233.40.236.6 0.253612.7(3.70.84) 36.541.764.54 0.250.7347.60.80.27.6 0.85199 0.258.54 1.288.60.728.6 12.50.960.8 10.49.60.350.8(4.31.25) 3.123.1299 28.610128.60.8615.70.8614.7 2.4102 2.311.20.5147.322.68 2.648.677.3611.33 7028 (2.50.25)0.4 9.161.50.59.16 3.63.60.563.42.50.4 4.91.4 3.9(1.35) (7.71.54)0.7 2.52.4 2.745 15(0.150.4)0.351.2520.8 32.40.90.132.4 150.25 4.51.8 4.23.5 9300.65 3Q我非常感谢你! 1024.5 7.86.92.26.9 5.60.25 8(201.25) 1)127+352+73+44 (2)89+276+135+33 (1)25+71+75+29 +88 (2)243+89+111+57 9405-29402821 920-1680407 690+4752-398 148+332864-75 3602432+730 2100-94+4854 51+(2304-2042)23 4215+(4361-716)81 (247+18)2725 36-720(36018) 1080(63-54)80 (528+912)5-6178 85284138-904 264+318-828069 (174+209)26- 9000 814-(278+322)15 1406+735945 3168-782838+504 796-5040(6307) 285+(3000-372)36 1+5/6-19/12 3x(-9)+7x(-9 (-54)x1/6x(-1/3) 1.18.1(30.2990.23)1 2.(6.8-6.80.55)8.5 3.0.12 4.80.124.8 4.(3.21.5+2.5)1.6 (2)3.2(1.5+2.5)1.6 5.6-1.64= 5.38+7.85-5.37= 6.7.20.8-
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