1/25×1/25×3/16+1/6÷25/3-3/8÷25
问题描述:
1/25×1/25×3/16+1/6÷25/3-3/8÷25
这是分数,
答
原式=1/25×1/25×3/16+1/6×3/25-3/8×1/25
=1/25×1/2(1/25×3/8+1/3×3-3/4)
=1/50×(3/200+1/4)
=1/50×53/200
=53/10000