(5.25+0.125+5.75)*8=?

问题描述:

(5.25+0.125+5.75)*8=?

(5.25+0.125+5.75)*8
=11.125*8
=89

(5.25+0.125+5.75)*8
=[(5.25+5.75)+0.125]*8
=[11+0.125]*8
=11*8+0.125*8
=88+1
=89

(5.25+0.125+5.75)*8
=[(5.25+5.75)+0.125]*8
=[11+0.125]*8
=11*8+0.125*8
=88+1
=89 很赞同这个解题方法,

这也问,强悍

(5.25+0.125+5.75)*8
=[(5.25+5.75)+0.125]*8
=(11+0.125)*8
=11*8+0.125*8
=88+1
=89