(1/12+3/47)x12-36/47简便计算

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(1/12+3/47)x12-36/47简便计算
(1/12+3/47)x12-36/47
简便计算

(1/12+3/47)x12-36/47简便计算
(1/12+3/47)x12-36/47
=(1/12)×12+﹙3/47﹚×12-36/47
=1+36/47-36/47
=1