
简算!!
1个回答
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1/6﹢8/15﹢3/28-2/35-7/44
=1/6+8/15+(1/4-1/7)-(1/5-1/7)-(1/4-1/11)
=1/6+8/15-1/5+1/11
=(1/6+1/11)+(8/15-1/5)
=17/66+1/3
=39/66
=13/22
=1/6+8/15+(1/4-1/7)-(1/5-1/7)-(1/4-1/11)
=1/6+8/15-1/5+1/11
=(1/6+1/11)+(8/15-1/5)
=17/66+1/3
=39/66
=13/22
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