2.25×1.8-12.5×0.18= 3/8+5/8÷5/6=简便计算.是2道题的.
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2.25×1.8-12.5×0.18=3/8+5/8÷5/6=简便计算.是2道题的.2.25×1.8-12.5×0.18=3/8+5/8÷5/6=简便计算.是2道题的.2.25×1.8-12.5×0.
2.25×1.8-12.5×0.18= 3/8+5/8÷5/6=简便计算.是2道题的.
2.25×1.8-12.5×0.18= 3/8+5/8÷5/6=
简便计算.是2道题的.
2.25×1.8-12.5×0.18= 3/8+5/8÷5/6=简便计算.是2道题的.
2.25×1.8-12.5×0.18
=22.5×0.18-12.5×0.18
=0.18×(22.5-12.5)
=1.8
3/8+5/8÷5/6
=3/8+5/8×6/5
=3/8+ 6/8
=1又1/8