3.4×0.99怎样简便计算·要列式..急

问题描述:

3.4×0.99怎样简便计算·
要列式..急

3.4*(1-0.01)=3.4-0.034=3.366

3.4×0.99
=3.4*(1-0.01)
=3.4*1-3.4*0.01
=3.4-0.034
=3.366

3.4×0.99
=3.4x(1-0.01)
=3.4x1-3.4x0.01
=3.4-0.034
=3.366