作业帮2-5/12÷7/24+2/7 简便计算（递等式,
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/21 01:42:44
x)3574:\DH\'Xtl|m=:6IE(/|-DD $
44@[f@~qAb 6` -L0Ō Ͱ Pa .
++(h+((( # Ht`
PH#!S0 NXbA
@M $
2-5/12÷7/24+2/7 简便计算（递等式,
2-5/12÷7/24+2/7 简便计算（递等式,
2-5/12÷7/24+2/7 简便计算（递等式,
2-5/12÷7/24+2/7
=2-5/12x24/7+2/7
=2-10/7+2/7
=2-8/7
=6/7
2-5/12÷7/24+2/7
=2-5/84/24+2/7
=2-5/2016+2/7
=2-5/2016+576/2016
=2+571/2016
=2又571/2016
2- 5 ÷ 7 + 2
12 24 7
=2- 5 ×24+ 2
12 7 7
=2-10+ 2
7 7
=2-8
7
= 6
7
2-5/12÷7/24+2/7
=2-5/12x24/7+2/7
=2-(10/7-2/7)
=2-8/7
=6/7