- 北有云溪
-
原式=3/4十1/4一1/2
=1一1/2
=1/2
或:
原式=3/4一(2/4一1/4)
=3/4一1/4
=2/4
=1/2
- FinCloud
-
先去括号。再通分,在进行分式的加减法。
- 大鱼炖火锅
-
解:原式=3/4一1/2十1/4=(3/4十1/4)一1/2=1一1/2=1/2。
- gitcloud
-
直接是,3/4+1/4-1/2=1-1/2=1/2,这个就可以
- 左迁
-
如何简算¾-(½-¼)?
3/4-(1/2-1/4)
=3/4-1/2+1/4
=3/4+1/4-1/2
=1-1/2
=1/2
- cloud123
-
3/4-(1/2-1/4)
=3/4-1/2+1/4
=3/4+1/4-1/2
=1-1/2
=1/2.
- 牛云
-
解依题意得,
3/4-(1/2-1/4)
=3/4+1/4-1/2
=1-1/2
=1/2
- 贝贝
-
3/4-(1/2-1/4)
=3/4-1/2+1/4
=3/4+1/4-1/2
=(3/4+1/4)-1/2
=1-1/2
=1/2
- 真可
-
3/4-(1/2-1/4)
=3/4-1/2+1/4
=3/4+1/4-1/2
=1-1/2
=1/2
- wio
-
3/4—(1/2—1/4)
=3/4+1/4—1/2
=1—1/2
=1/2
- 西柚不是西游
-
您好,可以这样计算
先去括号得 3/4-1/2+1/4
之后交换顺序得3/4+1/4-1/2
计算得1-1/2
得结果1/2。
- LuckySXyd
-
如何简算¾-(½-¼)?
¾-(½-¼)=¾-½+¼=(¾+¼)-½=1-½=½
- 小菜G
-
¾-(½-¼)
=(¾+¼)-½
=1-½
=½