怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
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![怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4](/uploads/image/z/248925-21-5.jpg?t=%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E5%B0%B1%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97.3.25%C3%9739%2F5%2B6%2F5%C3%973.25%2B13%2F4+1%2F5%C3%9737%E6%80%8E%E6%A0%B7%E7%AE%80%E4%BE%BF%E5%B0%B1%E6%80%8E%E6%A0%B7%E8%AE%A1%E7%AE%97.3.25%C3%9739%2F5%2B6%2F5%C3%973.25%2B13%2F4+1%2F5%C3%97370%EF%BC%85%2B6.3%C3%971%2F5%2B4.4)
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怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×37怎样简便就怎样计算.3.25×39/5+6/5×3.25+13/4 1/5×370%+6.3×1/5+4.4
3.25*(39/5)+(6/5)*3.25+13/4=(13/4)(39/5+6/5)+13/4=(13/4)*9+13/4=(13/4)*(9+1)=65/2
(1/5)*370%+6.3*1/5+4.4=(1/5)*(3.7+6.3)+4.4=2+4.4=6.4
?
3.25x(39/5+6/5)+13/4=3.25x(39/5+6/5+1)=3.25x10=32.5
1/5×370%+6.3×1/5+4.4=1/5x(3.7+6.3)+4.4=0.2x10+4.4=6.4
一
=3.25×(39/5+6/5)+13/4
=29.25+13/4
=32.5
二
=1/5×(3.7+6.3)+4.4
=2+4.4
=6.4
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