共30题用时5分钟
5×0.78=
0.78×5 =
10.65×0.22=
0.125×11=
2.3×0.15=
1×0.125=
0.7×2 3=
0.47×0.7=
4.39×0.1=
1.78×2.2 =
2.5×0.4 =
4.39×10=
0.7×0.01=
0.16×5 ﹦
1.2×5=
123.9×7=
53×2 =
6.6×0.6 =
5.37×5=
9.6×0.6 =
1.25×8=
3.8×10.1=
0.98×0.7=
2.5×1.25=
4.4×25=
2.64×5=
2.37+3.7=
16.9×0.3=
2.37+6.3=
55×3=