直接写出得数.
20×3= | 200×3= | 2000×3= | 24÷3= |
240÷3= | 2400÷3= | 270+90= | 0×15= |
15+0×15= | = | = | = |
直接写出得数:
10×2.9= | 2-1.86= | 2.1÷30= | 4.9+5.1= | 4.2÷0.7= |
0.5+5= | 1.1-0.01= | 40×0.02= | 0.75÷0.25= | 1.25×8= |
20×3= | 200×3= | 2000×3= | 24÷3= |
240÷3= | 2400÷3= | 270+90= | 0×15= |
15+0×15= | = | = | = |
10×2.9= | 2-1.86= | 2.1÷30= | 4.9+5.1= | 4.2÷0.7= |
0.5+5= | 1.1-0.01= | 40×0.02= | 0.75÷0.25= | 1.25×8= |