3.2×15= 3.2×1.5= 32× =4.8
1.8×23= | 0.37×0.4= | 1.06×25= | 4×2.5÷2.5×4= |
0.77÷1.1= | 9.6÷16= | 0.48÷0.03= | 4.5+5.5×0= |
4.2×8.5= | 2.45×0.34= | 4.6÷2.3= |
0.96÷0.032= | 8.62÷4.3≈(得数保留一位小数) | 82.3÷27≈(得数保留两位小数) |
0.25×3.2×12.5 | 10.6×55.4﹣55.4×0.6 | 3.7×10.2 |
1.2÷0.75+18.4 | 27.5÷2.5÷0.4 | (30﹣19.8)÷0.5+31.2 |