括号5/6+7/8+1/12括起来乘以24简算解:采用分配律,原式=(5/6+7/8+1/12)x24=5/6x24+7/8x24+1/12x24=20+21+2=41+2=43
图
(5/6+7/8+1/12)×24=5/6×24+7/8×24+1/12×24=20+21+2=43