A | B | C | D | |
长方形的长(m) | 3.1 | 1.2 | 5.6 | |
长方形的宽(m) | 2.6 | 1.5 | 0.47 | |
长方形的面积(m2) | 2.4 | 2.8 |
48-4.8x=24
x=
1÷0.1= 5×0.5= 2.1÷2.1= 2.8+0.6=
0÷3.5= 4.2÷3= 6.4﹣2.7= 0.9÷0.03=
5÷0.01= 10÷0.2= 1.45×10= 估算:5.98×7.156≈
0.6÷10= 4.5÷0.9= 0.4×1.5= 估算:591.8÷19.156≈
0.64÷0.32= 0.7×1.2= 40×0.25= 2.9÷2.9=
0.24÷0.6= 1.8×0.3= 24.48÷24= 0.29×0.07=
72÷1.5= 720÷15=
48×0.15= 4.8×0.15=
1.2×1.11.1 3.5÷0.13.5×10
0.02×0.6= a-0.99a= 1.6÷0.8= b×2.5×4=
0.9×0.9= 40.2÷0.01= 3.6÷0.09= 7.63÷8×0=
50.8×1.55.08×15 3.8×0.983.8÷0.98
6.2÷0.56.2×2 1.29÷0.11.29×100