脱式计算，能简算的，要简算
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5/16×[（10－7/12）÷13/2]÷5/8
= 5/16×(113/12÷13/2)÷5/8
=5/16×(113/12×2/13)×8/5
=5/16×113/12×2/13×8/5
=5/16×8/5×2/13×113/12
=1/2×2/13×113/12
=1/13×113/12
=113/156
= 5/16×(113/12÷13/2)÷5/8
=5/16×(113/12×2/13)×8/5
=5/16×113/12×2/13×8/5
=5/16×8/5×2/13×113/12
=1/2×2/13×113/12
=1/13×113/12
=113/156
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