题目内容
| 直接算出得数. 2.1÷2= | 3.8+1.02= | 7.5×0.4= | 2x-0.7x= |
| 3.2×0.5= | 9.6÷0.06= | 3.57÷0.7= | 4.5+0.76= |
2.1÷2=1.05; 3.8+1.02=4.82; 7.5×0.4=3; 2x-0.7x=1.3x;
3.2×0.5=1.6; 9.6÷0.06=160; 3.57÷0.7=5.1; 4.5+0.76=5.26.
3.2×0.5=1.6; 9.6÷0.06=160; 3.57÷0.7=5.1; 4.5+0.76=5.26.
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