五年级数学上
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一.用竖式计算。
15.6÷24= ÷32=
2.688÷0.56= 0.16÷0.25=
126÷45= 7.5=
25.6÷0.032= 6.75÷15=
22.4÷4= 6.2=
0.56×0.04= 8.4=
1.8×23= 0.86=
0.138÷15= 1.35÷27= 10.625÷25= 15÷0.06= 10÷0.004= 56.28÷67= 105÷75= 1.8÷12= 6.7×0.3= 3.7×4.6= 0.29×0.07= 0.37×0.4= 1.06×25= 0.416
0.375÷0.025= 2.7÷
2.4×
6.5×
7×
0.6×0.86= 27×0.43= 4.8×0.25= 1.5×105=
二.口算。
0. 8×25= 1.25×8= 0.25×4= 10÷0.5= 1000÷0.8= 234×0.1=
456×0.001= 4÷8= 6÷12= 3÷15= 30×0.9= 3.2×100=
三.简便算法。
2.32×6.5+7.68×6.5 6.345×2.54+6.45×6.345+6.345
×0.125 1.25××0.125 25×0.32×12.5 6.8×0.5
28.6×0.5 537.5×5 416.24×25 438.4×125 4.5×4×0.5
420×0.25 36×0.5 438.9×5 3.6÷0.25 0.48÷1.25 96000÷125
2.4÷0.125 7.2÷2.5 37×8×1.25 2.5×104