0.94×3.9+54.3×0.39怎么简算,谁知道
李景州回答:
0.94×3.9+54.3×0.39
=0.39×(0.94×10+54.3)
=0.39×(9.4+54.3)
=0.39×63.7
=0.4×63.7-0.637
=25.48-0.637
=24.843
相关文章:
0.94×3.9+54.3×0.39怎么简算,谁知道
李景州回答:
0.94×3.9+54.3×0.39
=0.39×(0.94×10+54.3)
=0.39×(9.4+54.3)
=0.39×63.7
=0.4×63.7-0.637
=25.48-0.637
=24.843