475+26-475+26简便运算

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475+26-475+26简便运算
475+26-475+26简便运算

475+26-475+26简便运算
=(475-475)+(26+26)
=0+52
=52

475-475+2×26等于52

475+26-475+26=﹙475-475﹚+﹙26+26﹚=52

=(475+26)-(475-26)
=26*2
=52