0.6×0.8=
1.2+4.5=
0.28×10=
6.87-0.87=
2.5×8=
3×3.2=
0.1-0.01=
8.65×0=
100×0.7=
0.2×0.2×0.2=
3.4×7×1.5 3.6×2.5+0.4×2.5 0.6×2.33×5
4.65×99+4.65 56×1.25 1.35+7.8+2.65
9.3×1.89.3 7.37.3×0.8
0.86×1.18.6×0.11 0.85×0.990.85×0.9
x
5
12
y
30
a