五年级下册苏教版星级口算天天练
54页到67页的答案:
0.63×2=1.26
4.8÷0.6=8
1.7+3=4.7
4×9×0.25= 9
1.25×16=20
9.6÷32= 0.3
2-0.09=1.91
8.5-0.24-1.76=6.5
6.3+7= 13.3
21.5+9.5= 31
2.5×0.4= 1
42.8-4.28= 38.52
1-0.01= 0.99
3.5÷0.5= 7
8.2÷0.01= 820
8.2×0.01= 0.082