2) 5×1/7+5×6/7= 5×(1/7+6/7)= 5×7/7= 5×1=5
4) 5/8×5/6-1/4×5/6= 5/6×(5/8-1/4)= 5/6×(5/8-2/8)= 5/6×3/8= 5/16
6) 1/7×1/8+1/7×1/6= 1/7×(1/8+1/6)= 1/7×(3/24+4/24)= 1/7×7/24= 1/24
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2) 5×1/7+5×6/7= 5×(1/7+6/7)= 5×7/7= 5×1=5
4) 5/8×5/6-1/4×5/6= 5/6×(5/8-1/4)= 5/6×(5/8-2/8)= 5/6×3/8= 5/16
6) 1/7×1/8+1/7×1/6= 1/7×(1/8+1/6)= 1/7×(3/24+4/24)= 1/7×7/24= 1/24
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