六级数学简便计算练习题答案(同名12991)

1、六年级数学总复习简便计算练习题一、口算。10 分10-0- 3.8 = 09 X 0.08 = 0.7224- 0.4 = 60 67.5+ 0.25 = 67.75 6 + 14.4 = 20.4 0.77+ 0.33=1.15 1.4 1.1313 1116=5-3=280 X 0.125=80*=10十3X 二上* X =丄8 77 7 37 49二、用简便方法计算下面各题。90分，4X 20+ 5X21125997998+124641 2丄+3.2 + 52+6.81222 2 1 - +2兰400-125-825 X： 37 X 833575=1125-1000-3=998+2+ 1

2、246-2=41 + 5-+ 3.2+6.82 =12- -2212=400-： 125*8=25*8*3733557=1125-1000+3=1000+1244=10+10=20=10-12=8?=4002-1000丄=200*37=7400775=125+3=128=2244丄-丄X 1213 X 2 X -3413X 2 +125XX46415734=6 *12 =7X 2 X4=34X 2 + 34 X1313=125*8+0.8=:4.35+3.65+4.25+3.75=3.4* 99+12424415734_ 2*12=7X 44 *2 -=68+13=125*8+125*0.8=

3、8+8=16=3.4*100=340244 715=1=1*2=2-4=81=1000+100=1100151517.15 - 8.47 - 1.53175c 357152-3-4.-2+X64695119=17.15- 8.47+1.53=175/5-4-3?=7亠11+5X2 =66495119=17.15-10=13-33=9丄=7*.5 +_5X2=144911119=7.15r 725=5二上+ -X991111XX1 1-* - 84=17-7=102.45+4.551175=X 72+X 72+X 72 =4丄 +13-35+2丄121824446 6=11*6+7*4+5*3=

4、6-6=0=1887=66+28+15=109(11 + + ) X 724.25- 3- - (2 - - 1 3)1218 246641322 XX65X 11-187.7437811X +X 一 0.5223°155X(7=187.7*11-1=4：71113X - + 57 X1=8 2 8 22= 43 + 57 -1=2 8 81-*100=50=233初宁4)49*-N15749,715753 12.42 -+4.58 X 1- -4-34 344 4=2.42*+4.58 X - 一 *1=233 34=42.42+4.58-1=3=*6=837 11一 "

5、81 26 1 _63'34.6+3； +6； +5.4*63 + 21*631 32 *2*62 5=10+10=207-8=3-83 c2 o3 厂2=4 +365=2.8+7.2+54 +3-=44 -45-5555995_5 123223 >4 +5 + 3- +6=10+9=19=2-_57 =1 555512122.8+5鲁 +7.2+3_5+ 1244G -还)+1335325348 +225+58 +7475 +47 +25.3153r235=4一+2 +5+7 =7-+2：+48484557=43+55+2丄+73=10+45884475=10+10=20=14

6、5764553石167 +16和654=53+1616；111174=70-167=533534427 +务-37 +花 +17=2号 +l7=严-4- 91+5- 93rL+3- 7510.75+g +4 +0.3753 513_= + + +=4 8483 +_! + 5 +_3=24 48 85-1卫5 217'175- 2器+请=5-4=14 444415+9- +99+999+999915-45 555566353318 x 72后宁 313=1+9+99+999+9999 £4=11107 4=48.3-156 +46 =95*41+41*1644 63 =483

7、-20=28=95 +1*4 丄101066417.85=10* = 14296 x 425+44 e 氓 +厂 625%=_5*丄+5*丄*58 2 8 2 85* r 11 八= * 一 + +18 2 231122X 4 +25X 75%-7XX6354 X132165 +(2l -1.8)5744=16? +(巧=14-154+276話 X W X 4土3" +3.125+1；1 +1彳1125-99615513=18 -351 =2*4*9=222105亠亠99=9=*4* =10*=21010X (2 2 210 +10 +109 玄33+25* -7*3 7122+25

8、+7* 3 = 714 21*631 -1*13 -=642421 1-* 63-131=4221 1 *50=12 =2*427117也1 17、*2-2*4= 3； +T + 3-+T =1125- 1000-415221599887716-4 *2-=5+5=10=1125-1000+415152-=5=125+4=1292714547711X 419+5-519+1145 X (-711X 4血+5主X4195197117+11=110+ 1+999/356 X 331-56X =4982313*107 -497 X -5251103-=110+1000-24-21 =49 25 51

9、=1110* =491*10=49532(111+999)-56 X (7 -3 x 1。5 -(50-2 ) X 0.67_11*11=743+ 0.6)897 X 37.5%+104 X 0.37515'8743333=45*+上-上= 897 X 2? +104 X -9 1558887433=45*+45*-45*= 897-1+104X 9155833=35+12-27=20= 896+104X =100CX =3758813134 X (58 X 1472 X 156-56 X 7225 X 32 X 125709X99+709299X 101= 13*53-5 3488=

10、0=3 1 *1 丄 +1 丄 *2 ' +34 * 52441054=72* 156-56=25* 8*4*125=709 99+11 74=3 +2+32 105=72*100=25*8* 4*125=709*100=7+2?+哩2105=7200=200*500=100000=70900西+2荧*510 10104563 X 99971 X 993755+29968439+1001446+295888+9992100- 20133 12°XX 65 xx 3.7+54XX 4+8 X 8.25+12.5%8.37-3.25-(1.37+1.75)1313=2丄*6 3+

11、2-*63 =75.3*99+12525=2丄6 3+6 3=75.3*100=255=4.6*3.7+5.4*3.7=4.6+5.4*3.7*9 +丄*8 丄 +1 :皿+1844=7-5=23.25+1.75=2丄*12 -25=75305 * 66 =33=10*3.7=371 *2=-842 51514533434.6+3|+6|+5.443+2.25+5'|+73 47 12313=11 6+1 =15 4 +5=19.82-8 3314446.57+3.43=4.6+5.4+ 3-+6-=43 +5- + : 2- +73=9.63/5588442.5*4=6/=117-8

12、 =3 -8 8=15-10=5 1414=19.82-10=9.82=10+10=20=10+10=20=9.63/10=0.963=6*4=24c 7553553-X+X12127887=3- Z+立=53 + 51212788=3-1=2=5=78X551018X.45 >+ -1、一+15162799 61*1+ 5*9=18*45+18*-322710961.*11 *+ *1=2*4+3*5=32321+11=8+15=23=2*4=8663-* 7+5=1*24-!*431212521 14*12 =2- 7+ X 5X 24336 1255 x

13、4 + 4 47777=5+1*4*7774=1 5 =71？1、12 °2L+ x -13x 7+x 5535331/2+1= 27+55396531*391+ 1*65=2*4=8=5251138 X 2 十5=39+13=16?10 101231=8+17* =25*4+*4+ 54412 =25*1=100+3+-=2*5432 x 4+17亠 1?25+ 4 - 4+4=5*12=60=1034匕 T 4 + 2x 215531114 / 4 * 102 * 1015 51131114 820 .15113314 441437/ _ * 15 33 = 15 410丄*32

14、=22+45=6710x &】磊 +吕x 15X 1112X 103-4500- 7523=二 *165+上 *1651511=2*11+3*1518979934x 21x+ x + 21 x + 25162516167718+ +19=2134 >+ *丄2525167 749 =91=21*1 1=1 =5168844x丄=11 +5 45 + 4x 306 55 4=*30+ *306 5=25+24=49=6999+卫丨十91019 * 1+910 911=111010=99*4*5*81615=1丄151 15 6995711 1-+ 3宁x-4 X58 +X41+ -326 5105111188 81+3*2=1-1=4-§+7_ 1 * 58+41+132111181=1=4-1丄=2®:1 1*100=12-32111182445145 ,2 .345-