99*0.35+0.035简便计算

99*0.35+0.035简便计算
2025-02-24 13:49:23
推荐回答(2个)
回答1:


回答2:

写错了吧
应该是
9.9×0.35+0.035
=9.9×0.35+0.1×0.35
=(9.9+0.1)×0.35
=10×0.35
=3.5