第1个回答 2022-10-02
1.4×6.5×0.5用简便方法怎么算
4×6.5×0.5 =(1.4×0.5)×6.5(乘法交换律,结合律) =0.7×6.5 =45.5
第2个回答 2022-10-03
1.4x6.5x0.5用简便方法这样算
1.4x6.5x0.5
=1.4x0.5X6.5
=0.7x6.5
=4.55
第3个回答 2022-09-27
1.4×6.5×0.5
＝1.4×0.5×6.5
＝0.7×6.5
＝4.55
第4个回答 2022-09-27
1.4x6.5x0.5
=1.4x0.5x6.5
=0.7x6.5
=4.55
第5个回答 2022-10-03
1.4×0.5=(1.4÷2)×(0.5×2)=0.7×1=0.7