多位數(shù)乘除法練習(xí)6359

1、多位數(shù)乘除法練習(xí)1、筆算下列各題。735+15=330+11 =371 17=728 17=435 15=472 18=813+14=518 14=150 19=420 15=672 56=633 15=325+13=968 22=842 16=987 19=223 12=982 13=649+11 =561 17=114 16=190 11=624 39=141 13=443+13=121 11=299 13=244 12=966 23=459 17=393+16=784+49 =666 11=512 19=923 88=572 13=927+16=320 16=188 16=931 19=

2、205 21=589 14=9.99 X 0.02 =4.67 X 0.95X2.441.666 X 6.1710+15=765+ 57=418+14=342+11 =395+56=240 15=240 13=294 29=240+20=689+ 15=328 42=513 17=636 18=372+45 =165+ 11 =300 12=962+37 =765 15=2、筆算，再驗算。138X 16=407X 35=930X 22=456X 18=5.6 X2.9 =3.77 X 1.8 =0.02 X 96 =5.22 X 0.3 =2.5 X0.885.555 5.22.22 X 3.

3、337.658 859.432 0.0025.6 6.54.88 2.95.61 4.38.9 2.45.5 559.77 0.021.384 5.18.78 832.6 610.059 0.24.268 1.757 5.79.46 2.8517.8 X6.41.5 X4.936.02 X 0.356.78 X 885.44 1642.84-7101.7+967.5 15230.4+621.24 360.736+2343.5 1235.21 -739.6 246.21 +0.03210+1.451.3 0.2791.2 3.80.756+0.180.66 0.311.97 + 1.569.6

4、2.938.4+0.815+0.0676.4+5.44.7 +3（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.2 -0 .120.8 +0.91.25 + 1.232+4214.36+2.78.33+6.21.7+0.03脫式計算（能簡算的要簡算）2.5 X 7.1X416.12 X99+ 16.125.2 X 0.9 + 0.97.28X 99+7.284.3 X 50 X 0.264 2.64 X 0.526 X 15.7+ 15.7 X 24(2.275 +0.625) X 0.283.94+34.3 X 0.21.2 X (9.6 +2.4) +4.88.9 X 1.1 X 4.7

5、2.7 X 5.4 X 3.93.6 X 9.85 -5.468.05 X 3.4+7.66.58 X 4.5 X0.92.8 X 0.5+1.582.410.732+4.9 -0.94.8 4.8 X 0.5(1.25 - 0.125) X 84.8X 100.156.5 X 99+56.57.09 X 10.8 0.8 X 7.098.7 X17.4 -8.7 X7.44.85+0.35 +1.412.5 X 0.4 X 2.5 X 80.87 X 3.16+4.649.5 X 1010.68 +( 5.2-3.5) X 1.256.8 X0.75 +0.53.75 -0.125 -2.751.53+23.4 +7.240.5 + 0.81 X 0.184.8 X ( 15 + 2.4 )37+9. 37+9. 37)X2. 56.81+6.81 X 990.25 X 185 X 404.4 X 0.8 3.4 X 0.8(9.37+92.5 (3.80.04)7.691013.8 10.12.37 X 6.3+2.37 X 3.72.5 X 1.25 X 0.323.8 X 10.19.