43×136/137+136×59/137+70×68/137

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43×136/137+136×59/137+70×68/137
43×136/137+136×59/137+70×68/137

43×136/137+136×59/137+70×68/137
43×136/137+136×59/137+70×68/137
=136/137(43+59+35)
=136/137×137
=136

=(43x136)/137+(59x136)/137+(35x136)/137
=(43+59+35)x136/137
=(137x136)/137
=136

43×136÷137+136×59÷137+70×68÷137
=43×136÷137+136×59÷137+(35×136)÷137
=(43+59+35)×136÷137
=136