小升初计算题精选

1、能简算的要简算13421 0.8 23 801551511.25 0.25 327513 2 12 6 454316533 24(1 )7877620.2131353 3 13 0.4 ( 31.5 1 )2 3 536(2 213 5 )9941217121 ()158630.73 2 0.7 + 0.785 1552( 2 12.05 )21055 (11 + 2) 33 (6310341.25 0.75 +0.455313.2 (1 )+ 3 28512531039153 25)554325.4 1 ) (1 0.65 )1 520375132()206337(2+1)2+4536555

2、7124+)68338+56)2337+2 4 +4 415 7+32151.8 1 + 2.2 252441 +118 6 1210513 - 1890 18(2 + 7 9 ) 13 9 28 12330.8 99+0.83 3 33777.86.35+9.2 0.655980.37+0.63 5.987.651 13 3.09 )1031120( 3 11 )452575 16.31 2.31 775645.67+ 0.365672334 61 )241.25 2.5 32( 5 +81 1 1+3 2 3217)4.858+198 5 ( 5 1 )15 6 9 342(1 3 ) 3

3、72240 +450 1512 ( 34273357 4 + 7 511 5 1113.6+ 6.15 3351620345+180 12113 +1444 27 272(42)47 5 3 15 3240 +450 1825 3+ ( )36 42.253.5 9.9 +0.3510.212142(4.46+0.14)0.7538(4.2 0.4) 0.553( 51+31) 925 5 3 91452 71 69 13 13201.3 7.3 6320.130.8 3.6 0.8 0.67 3 23( + ) 2412 8 244.87 1 (2.1 2.09)5( 3+3) 58 4 5

4、 9 4.8 + 77.5 0.48 9 1 2 49 1( 2+4) 20 2 5 51( 1.75+ ) 50%44 3 5 + 75% 9 4 921 2+1)932 1 1)12 603.68.81 + 10 151 9.8+9.25 444 ( 0.6)56.75+9.2 0.2573+448711 ) 927 3686103399357 111155515.8 +14.239(+)3 + 5 +18 183918181833 8.5+0.75 5+6.5 118 3 +(70.25)4394163.6 2.8+7.4 7.2823+191+1723 17231 1 317551(

5、+ ) 18+( )2 3 5186833.25 547.77+7.7+27.7(0.25+5 ) (1.75 7)17125681981089)73+952+36:4.8=37+5941 4+1)72 解方程 4x21x x+2=14542580%60%) 99+99 80%1218 1217170.2511.25 132x1.2 ) =1.5x+0.923 :4=x: 1214： 5=4:851x x642=50 00 g flx (99.0+x L)一 n寸.9)g g 6 y1+ I X I )CXIeL ol gg CL CL +00ICXI9 卜ex(&OL+L)寸 9CXIL1+

6、 ICXIe* gCXIox gcxl l9L 9 9L養 XZC+0XP 8.OX 已Jlex 9L.0+寸OJICX g0寸(M迟w呂M迟揺)M云 ws OL 8 寸CXI -XH - I I 00HXS.0I X 、寸LH&oex卜+XCXIL9L 0I Hx+x寸 x 寸CDHe*9 C 寸 Hx +x 9CXI.8H96H9 L X6 OCXIX- H 寸 0HXCXI9XjrlHXXCXI寸0+xo00.0HxcbH&9C90CXIU 寸CXIHxgHXCN寸9L x6寸 HX1XJI、寸CXIHCXI+XCXI(n ) IX9.9HX寸+、oxeCLHL+X-IX)!320.7

7、+0.7 +0.7557.6 35%+6.5 0.761 1 1 1+ + +2 6 12 203+5)28 6 341514 )785+9752119281321.78218912( 15.7+2 1)3233(7799975954.827141.2517.6+36.1 80%+2.6312.50.8 0.4 0.686.96 10.1 0.6962.75 0.72+ 7250.25 0.39 0.42.7563.756.7 3.25+13.3 75%四、 解方程15X x=6 126.5 1010.1842.68=x:129232x=37 ( 5 2) 54536748154125%0.2

8、5+601518+3 33 3.5+13.75 )1+302x=1.8640%x =281 (x+9)=5 x3321.6+1.6 67+1.63.2( 5 0.375 )637.1 0.125 8116x+1 =14275%3x=2.120158.791310071x2320%x=1211=x:32x=5.8:2.94.5998.791.25 0.75+0.410.18.6 0.861(1+ 3)5 101 1 1 ( 1 + )2 3 61 1 251 ( 15+32 )1128.092.598+8.0921.9+1.9+1.9+1.9 )1131.8 +2.2 25%44.2 1.5 1

9、.5 60%99+999.92451)644.8351252 + 5 ) 17 1917 193251.25 3249 4 1.56+0.17 2.4419 +5143 430.651016.7 3.25+3.3 0.755.22222 + + + 11 13 13 15 15 17146( 7 7)15151 + 17 19 191 117 37335 544283.4 1.8+7.6 2.21512.5 3225%1113) 364.5 99+4.547117.8 6.35+2.2 0.65461)83 9 4 16 476 30.4+ 1313 5111 + + +1 3 3 5 5 7

10、7 1 47 0.8+ 1 4 +80%13 13 551( + ) 21192136(42)512+9+17 195132598+1)213 14+38) 96971.25 400.848(1+131.836(191 75+ )3 8611+3 5 9 111+2.2 25%41+119 4 66.7270.75253212557.817 50%2 1211 +6.7+6.7 2.1+6.7 1.24 +9 4 +99 4 +999 4 +9999 45 5 525( 39+271 3 3 1)4451273932 +5.42 555.5899+ 0.7586.67( 14.67+15.3

11、)14.2515.75 2 +2 17 5 77211+3 4 4 5 5 6 6 721 11 ( )32 30.65 201513 3.67+6692 (1+1+2 3 4 6 121 360.20.3361 +3 ) 6 2 4 51 +1 + 1 )2420097210051 1 11 + )2 3 6 2007 2008( 5 5 )9 121218.5( 8.5+9.3 )+10 12.18 ( 3.18 4.23 )0.25 50.442( 5 ) 45670.85412.5 2.531( 31 )25285732 1.9 8.57 8085.70.125 0.5 0.25泅上(

12、ogxz4)ug 9L /x g x (曰z)gCXId9.0+玛CXI+&09X9卜&09寸、0 X C.6C+9CXIX 00.09CXILHX&9CXI卜+0 (CXIX) X8 gdHxgCXI9 寸99 丄XL+xeCXIH寸 L X&0 寸gtlHxeo寸寸寸ZF L寸H(L xgo)*lcxihxxji80x&g卜wx&CXIe I8.9godLHX&gCXI6 60 X*6X9 6 67 +门 %00+7 %00GCXILgLHX+x 寸bCXI.6LHX&0CXIO9CXIHX6 x9L 8+ 1182卜lx 8l+eox8l(&0CXI+L)CXIod00.0 X9.0 8

13、.0 0CXIHX8XCXIL 8 C 6 I YHX - I0HXS.0IXgun x寸+xe9CHX + X0CXI0L 寸 L6J+XI20.0H1X寸odH (gx) 099CXI寸+9 6 9 6 门 X)I* 门 X)I9 9 9 9 0C OCXICXIL 9CXI+ + 1+18C9CXI9O 0L&9CXIX 6寸+寸* L.g4.4 0.257.258.5 0.9+8.5 0.152 1 59.9+72.5%( + ) 115 3 628.92.55+1.1 7.45939 3)(1.60.4)441149 3.75 418.254.51( 1 37.5 )23359752

14、.6 1.83 18.1767.57 2 (1 )1.25115103.8 9.9+0.380.67716(+1)56.9626374(3 3)453199482939.8 43+39.838+3981.98.769 3 ( 7 1) 536 4 16 4 4 3312 3 20% 30.25542335776+111515 1115.95 (5.95 10)1 1 1121 + 1 )( 2+ 11)3.8 1.017.09 98+7.09 23.64 4+4.36 0.2517.5 4.2 (16134 12474948 (60%+2 ) 1.751073897 37.5%+1040.37

15、525840.4 25 3.75133 279.7+ + +6.6254 10 811.811.8 17.25535 4.2584 515( 1+5)96 3 8 3 8 0.39+3.25 3.93.85 0.00827 (3.83+6.17)( 19.55+6.96 )1531 5.2+4.8 55 16 5.29 2.71+1.24 336 6 75 2 6120.912.68 ( 2.68 4.5 )1.015.2 5.2 0.01333( )5.6 5.6 0.7 ) 22.40.5 1.25 40.86 ( 4 1 )2 7 7 2 54 4 4 4 44 +94 +994 +99

16、94 +9999 45 5 5 50.53 22+5.3 7.8( 1+2 3)242 3 415.284.874+3+59593.99 9.0199+4.87217521 + 5 7 7 21663259HX&0CXIL 卜 L寸92H9X9L 8I pnhk I8 L9.6H0L* (906 91 co 寸6coo9oh(l X)XCXI96.gHX&0cxl+xg L CXIUX 寸.0*CXIL 寸CXIHX(&OCXIL)9LH寸X8x)9cxl UXH 寸ox&gCXIgcxihxo寸96寸Hx 雲08二 IXOCHXgo80CXI卜x 0寸 h(x8l)xLCXI0LXCL+eeux 寸CXI 寸CXI r XHgCXILHTX寸 CXIL 寸COL0.0HX0 8l&OCXIOH&OUX8.0HXCXI寸 x gCXIbuxdbx寸0 寸 0X-I0L xO9HX*CXI.CXI8H(8b+x)gbxgb卜寸 9 X H I IXI LUXC9Xsox gCXIL X寸bX gcxl L