12×3/8÷3/4 (1/4+2/9)×72 7/15+8/15×15 3-2/3÷4/5-1/6 (1/3+1/2)÷(1-3/8)
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 10:49:39
x
!E[a33&@/Z!ڄ(7
=^4˷(XKhUk~25?J\X- Ӕ(Rv@I]Ƕ xnƉweX`W{[8]|*
12×3/8÷3/4 (1/4+2/9)×72 7/15+8/15×15 3-2/3÷4/5-1/6 (1/3+1/2)÷(1-3/8)
12×3/8÷3/4 (1/4+2/9)×72 7/15+8/15×15 3-2/3÷4/5-1/6 (1/3+1/2)÷(1-3/8)
12×3/8÷3/4 (1/4+2/9)×72 7/15+8/15×15 3-2/3÷4/5-1/6 (1/3+1/2)÷(1-3/8)
12×3/8÷3/4=6
(1/4+2/9)×72=34
7/15+8/15×15=127/15
3-2/3÷4/5-1/6=2
(1/3+1/2)÷(1-3/8)=4/3