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6/5X6/7-6/7÷5丨4-9/15÷9/5-2/3丨(1/2-1/3+1/4)X24丨5/8X[1÷(3/4+1/3)]全部简算
题目详情
6/5X6/7-6/7÷5 丨 4-9/15÷9/5-2/3 丨 (1/2-1/3+1/4)X24丨 5/8X[1÷(3/4+1/3)] 全部简算
▼优质解答
答案和解析
6/5×6/7-6/7÷5=6/7×(6/5-1/5)=6/7×1=6/7
4-9/15÷9/5-2/3=4-1/3-2/3=4-(1/3+2/3)=4-1=3
(1/2-1/3+1/4)×24=1/2×24-1/3×24+1/4×24=12-8+6=10
5/8×[1÷（3/4+1/3）]=5×1÷(8×3/4+8×1/3)=5÷(6+8/3)=5÷26/3=5×3/26=15/26
4-9/15÷9/5-2/3=4-1/3-2/3=4-(1/3+2/3)=4-1=3
(1/2-1/3+1/4)×24=1/2×24-1/3×24+1/4×24=12-8+6=10
5/8×[1÷（3/4+1/3）]=5×1÷(8×3/4+8×1/3)=5÷(6+8/3)=5÷26/3=5×3/26=15/26
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