3.6×2.9= 0.36×2.9= 1.044÷2.9=
0.23÷0.042.3÷0.4 0.6674÷6
4.3×0.994.3×1.1 7.2÷0.57.2×2 0.1×1.011.01
1.05×2= 0.13×4= 0.27×0.3= 1.05×2= 7.5×40=
2.5×0.2= 100÷80= 9.9-0.3= 0.48÷1.2= 3÷0.05=
26÷0.13 验算:
2.19÷0.3
8.62÷0.43(得数保留两位小数)