问题
解答题
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答案
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.
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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.