小学数学四年级下册计算题
辽宁考试院-上海财政
小数乘除法练习题
一、口算:
4.3-2.5=
0.17+0.06= 1.02-0.09= 720÷800=
0.17+0.6= 0.83-0.6= 17×300=
0.98-0.09=
0.2+0.78= 0.6×0.7=
10.2+0.02= 0.15+0.7=
6.7+2.5=
10.2+0.2= 9.2-6.1= 8.5÷5=
3.2-3.2= 3.7+2.3= 2.5×100=
3.12-0.32=
二、用竖式计算下列各题(除不尽的保留三位小数)
31.5×24.5 0.8×0.56 4.23×0.028
0.63×1.05
34.3÷0.23 36×0.56
0.32÷0.2 6.728÷3.2
3.45×84 4.6×25 0.41×
56
1.05×305
0.076×24 2.3÷5.5
8.63×0.42 8.63
÷0.42
0.38×2.6 1.24÷1.5 3.2×1.8
0.32÷0.9
214×0.37 2.6×25
1.06×30 0.156×15 =
二、脱式计算(能简算的要简算)
0.125×0.25×8×4 7.4×0.28+0.28×2.6
4.8×0.9+
0.48
(4-0.4)×2.5 2.5
×( 0.77 × 0.4) 6.1×3.6+3.9×
3.6
(4+0.4)×2.5 8×7×0.125
10-2.3×1.2
3.9×9.9+0.39 4.5×1.2+2.3
(0.4+1.25)×0.8
9.4×6.1×2.3 3.25×4.76-7.8
18.1×0.92+3.93