60又2/3乘以59又1/3 简便计算!

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 16:38:45
60又2/3乘以59又1/3 简便计算!
x)33xaod'Zy 5<ٷźMWI*'N~ fjhijiZjhEmfFpa38#] ?"blf`ko ZMA" @_

60又2/3乘以59又1/3 简便计算!
60又2/3乘以59又1/3 简便计算!

60又2/3乘以59又1/3 简便计算!
(60+2/3)*(59+1/3)
=(60+2/3)*(60-2/3)
=60^2-(2/3)^2
=3600-4/9
=3599+1-4/9
=3599+5/9
=3599又5/9