简便计算 带过程 43×136/137+136×59/137+70×68/137
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简便计算 带过程 43×136/137+136×59/137+70×68/137
43×136/137+136×59/137+70×68/137
=136×43/137+136×59/137+136×35/137
=136×(43/137+59/137+35/137)
=136×1
=136
43×136/137+136×59/137+70×68/137
=136×(43/137+59/137+35/137)
=136×137/137
=136
(43+59+35)x136/137=136