2007 +1/2*27+6/25*270+191.7简便运算过程
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![2007 +1/2*27+6/25*270+191.7简便运算过程](/uploads/image/z/439974-54-4.jpg?t=2007+%2B1%2F2%2A27%2B6%2F25%2A270%2B191.7%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E8%BF%87%E7%A8%8B)
2007 +1/2*27+6/25*270+191.7简便运算过程
2007 +1/2*27+6/25*270+191.7简便运算过程
2007 +1/2*27+6/25*270+191.7简便运算过程
=2007+0.5×27+0.24×270+191.7
=2007+0.5×27+2.4×27+191.7
=2007+(0.5+2.4)×27+191.7
=2007+2.9×27+7.1×27
=2007+(2.9+7.1)×27
=2007+10×27
=2007+270
=2277