简算:(8.8-8*0.75)/(1+0.4) 0.58*0.25+5.42/4 急
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简算:(8.8-8*0.75)/(1+0.4) 0.58*0.25+5.42/4 急
(8.8-8*0.75)/(1+0.4)是一题,
0.58*0.25+5.42/4是一题
(8.8-8*0.75)/(1+0.4)是一题,
0.58*0.25+5.42/4是一题
![简算:(8.8-8*0.75)/(1+0.4) 0.58*0.25+5.42/4 急](/uploads/image/z/8838333-45-3.jpg?t=%E7%AE%80%E7%AE%97%EF%BC%9A%288.8-8%2A0.75%29%2F%281%2B0.4%29+0.58%2A0.25%2B5.42%2F4+%E6%80%A5)
(8.8-8*0.75)/(1+0.4)
=(8.8-8*3/4)/(1.4)
=(8.8-6)/1.4
=2.8/1.4
=2
0.58*0.25+5.42/4
=0.58*1/4+5.42*1/4
=(0.58+5.42)*1/4
=6*1/4
=3/2
=(8.8-8*3/4)/(1.4)
=(8.8-6)/1.4
=2.8/1.4
=2
0.58*0.25+5.42/4
=0.58*1/4+5.42*1/4
=(0.58+5.42)*1/4
=6*1/4
=3/2
简算:(8.8-8*0.75)/(1+0.4) 0.58*0.25+5.42/4 急
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