直接写出得数.
| 1÷0.125= | 1.6×0.5= | 0.25÷0.1= | 4.8÷0.48×0.01= |
| 0.65×0.2= | 10-0.99= | 8.8-7.8= | 5.4×2÷5.4×2= |
| 0.56+0.4= | 0.84÷21= | 0.72÷9= | 3.7÷2×4×0= |
用简便方法计算下列各题.
| 137+86+63 | 254+(524+146) | 262-186-14 |
| 381-199 | 228+107 | 323-(223+65) |
| 178+297 | 168+249+132+451 | 694+238-594. |
| 1.23÷3= | 0.8×11= | 1-0.75= |
| 1.7×0.4= | 0.36÷12= | 1.6+0.38= |
| 1.2÷0.3= | 0.75×4= | 15×0.4= |
| 2.14-0.9= | 4×0.25= | 10÷2.5= |
| 0.4×52= | 1.6×0.4= | 9.6÷6= |
| 4.3-0.4= | 7-6.2= | 0.86-0.3= |
| 8.8÷2.2= | 2.6÷0.2= | 0.15×3= |
| 0.9÷0.45= | 0.27÷3= | 0.51+1.7= |
| 0.6÷0.5= | 0.125×8= | 0.38×1000= |
| 6.8-1.7= | 2.4×0.2= | 32.8+19= |
| 0.56÷14= | 1÷0.05= | 6÷12= |
| 0.14×5= | 3×1.4= | 4.9÷0.7= |
| 0.4÷8= | 6.3+3.7= | 3.5×0.2= |
| 0.2×12.6×5= | 8.4÷4.2= | 2.4×0.5= |
| 0÷3.5×0.2= | 0×9.7+2.3= | 1.6×9+1.6= |
| 3.8+1.2= | 4.8÷0.3= | 530+270= |
| 7.6÷3.8= | 92÷2.3= | 9.6-1.6= |
| 7.2+2.8= | 2.63+0.37= | 0.67+1.24= |
| 0.3×101= | 0.25×8= | 16÷1.6= |
| 26.1-3.5-7.5= |