用简便方法计算:8.8÷0.25 3.1÷0.125 34.2×5.6+658×0.562.计算 11/24×6 7/30×18 2/13×26 5/8×12
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用简便方法计算:8.8÷0.25 3.1÷0.125 34.2×5.6+658×0.562.计算 11/24×6 7/30×18 2/13×26 5/8×12
用简便方法计算:8.8÷0.25 3.1÷0.125 34.2×5.6+658×0.56
2.计算 11/24×6 7/30×18 2/13×26 5/8×12
用简便方法计算:8.8÷0.25 3.1÷0.125 34.2×5.6+658×0.562.计算 11/24×6 7/30×18 2/13×26 5/8×12
8.8÷0.25
=8.8×4
=8×4+0.8×4
=32+3.2
=35.2
3.1÷0.125
=3.1×8
=24.8
34.2×5.6+658×0.56
=342×0.56+658×0.56
=(342+658)×0.56
=1000×0.56
=560