37/63÷7+1/7×26/63 简便计算

问题描述:

37/63÷7+1/7×26/63 简便计算

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