67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.

来源：学生作业帮助网编辑：六六作业网时间：2025/01/11 13:37:12

67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.67×1/4+2又1/2×3.75-4又1/2×25

67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.
67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.

67×1/4+2又1/2×3.75-4又1/2×25%简便运算,要有算式.
67×1/4+2又1/2×3.75-4又1/2×25%
=67/4+5/2×15/4-9/2×1/4
=(134+75-9)/8
=200/8
=15