6分之1减2分之1加3分之1等于多少?
1/6-1/2 1/3 7/8-5/12 1/6 =1/6-3/6 2/6 =21/24-10/24 4/24=-2/6 2/6 =15/24=05/6-(1/2 1/3)=5/6-(3/6 2/3)=5/6-5/6=07/8-(5/12 1/6)=7/8-7/12=21/24-14/24=7/24。
1/6-1/2 1/3 7/8-5/12 1/6 =1/6-3/6 2/6 =21/24-10/24 4/24=-2/6 2/6 =15/24=05/6-(1/2 1/3)=5/6-(3/6 2/3)=5/6-5/6=07/8-(5/12 1/6)=7/8-7/12=21/24-14/24=7/24。
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