6.3-6.3ᠧ0.6-0.4简便方法?

2025-02-28 07:12:31
推荐回答(3个)
回答1:

简便计算为
6.3-6.3*0.6-0.4
=6.3*(1-0.6)-0.4
=6.3*0.4-0.4
=0.4*(6.3-1)
=0.4*5.3
=2.12

回答2:

6.3-6.3×0.6-0.4
=6.3×(1-0.6)-0.4
=6.3×0.4-0.4
=0.4×(6.3-1)
=0.4×5.3
=2.12

回答3:

6.3-6.3×0.6-0.4
=6.3×(1-0.6)-0.4
=6.3×0.4-0.4
=2.12