数学 7.2×(100+0.1)=?
来源:百度知道 编辑:UC知道 时间:2024/05/25 07:51:10
7.2×(100+0.1)
=720+0.72
=720.72
7.2×(100+0.1)
=7.2*100+7.2*0.1
=720+0.72
=720.72
7.2×(100+0.1)
=7.2×100+7.2×0.1
=720+0.72
=720.72
=7.2×100+7.2×0.1
=720+0.72
=720.72
根据运算法则有括号先算括号,以后这些问题还是独立解决为好,只要努力,你行的!
=7.2*100+7.2*0.1
=720+0.72
=720.72