37/63÷7+1/7×26/63 簡便計算

題目:

37/63÷7+1/7×26/63 簡便計算

解答:

37/63÷7+1/7×26/63
=37/63×1/7+1/7×26/63
=1/7×(37/63+26/63)
=1/7×1
=1/7

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