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计算下面各题,能简算的要简算.10.87-4.3×0.7;4.8×9+4.8;67.1÷4÷0.25.
题目详情
计算下面各题,能简算的要简算.
10.87-4.3×0.7;
4.8×9+4.8;
67.1÷4÷0.25.
10.87-4.3×0.7;
4.8×9+4.8;
67.1÷4÷0.25.
▼优质解答
答案和解析
①10.87-4.3×0.7
=10.87-3.01
=7.86;
②4.8×9+4.8
=4.8×(9+1)
=4.8×10
=48;
③67.1÷4÷0.25
=67.1÷(4×0.25)
=67.1÷1
=67.1.
=10.87-3.01
=7.86;
②4.8×9+4.8
=4.8×(9+1)
=4.8×10
=48;
③67.1÷4÷0.25
=67.1÷(4×0.25)
=67.1÷1
=67.1.
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