简便运算 53.6+(54.1+46.4)+45.9
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简便运算53.6+(54.1+46.4)+45.9简便运算53.6+(54.1+46.4)+45.9简便运算53.6+(54.1+46.4)+45.953.6+(54.1+46.4)+45.9=(53
简便运算 53.6+(54.1+46.4)+45.9
简便运算 53.6+(54.1+46.4)+45.9
简便运算 53.6+(54.1+46.4)+45.9
53.6+(54.1+46.4)+45.9
=(53.6+46.4)+(54.1+45.9)
=100+100
=200