98-98×0.5的简便计算

2025-04-07 08:55:08
推荐回答(3个)
回答1:

98*(1-0.5)=46

回答2:

98-98×0.5
=98×(1-0.5)
=98×0.5
=49

回答3:

98-98×0.5
=98*(1-0.5)
=98*0.5
=98/2
=49