2.34*11-107*0.22怎么简便啊?
问题描述:
2.34*11-107*0.22怎么简便啊?
答
2.34*11-107*0.22 =2.34*11-10.7*22 =2.34*11-2.14*11 =11*(2.34-2.14) =11*0.2 =2.2
2.34*11-107*0.22怎么简便啊?
2.34*11-107*0.22 =2.34*11-10.7*22 =2.34*11-2.14*11 =11*(2.34-2.14) =11*0.2 =2.2