3.5*1.25+125%+1.5除0.8 简算
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3.5*1.25+125%+1.5除0.8 简算
![3.5*1.25+125%+1.5除0.8 简算](/uploads/image/z/15403625-17-5.jpg?t=3.5%2A1.25%2B125%25%2B1.5%E9%99%A40.8+%E7%AE%80%E7%AE%97)
这个“1.5除0.8”有误,应该是1.5除以0.8
3.5*1.25+125%+1.5÷0.8
=3.5×1.25+1.25×1+1.5×1.25
=(3.5+1+1.5)×1.25
=6×1.25
=7.5
3.5*1.25+125%+1.5÷0.8
=3.5×1.25+1.25×1+1.5×1.25
=(3.5+1+1.5)×1.25
=6×1.25
=7.5