急!!初一数学计算题解答!
来源:百度知道 编辑:UC知道 时间:2024/06/17 06:53:50
请写出过程,最好加解、原式(也可不加)
(1) (-2又3/10)+(+3又3/5)
(2)0+(-2006又1/4)
(3)(-7)+(+6)+(+9)+(-4)
(4)(-18.95)+(-7.25)+18.25+(+7又1/4)
(5)|-1/4|+(-1/3)+5/6
(1) (-2又3/10)+(+3又3/5)
(2)0+(-2006又1/4)
(3)(-7)+(+6)+(+9)+(-4)
(4)(-18.95)+(-7.25)+18.25+(+7又1/4)
(5)|-1/4|+(-1/3)+5/6
1、解:原式 = (-2又3/10)+(+3又6/10)
= 1又3/10
2、解:原式 = -2006又1/4
3、解:原式 = (-7)+(-4)+(+6)+(+9)
= (-11) + (+15)
= 4
4、解:原式 =(-18.95)+18.25+(+7又1/4)+(-7.25)
= (-0.75)+0
= -0.75
5、解:原式 = |-1/4|+(-1/3)+5/6
= 1/4+(-1/3)+5/6
= 3/12+(-4/12)+10/12
= 9/12
= 3/4
(1) (-2又3/10)+(+3又3/5)
=(-2又3/10)+(+3又6/10)
=1又3/10
(2)0+(-2006又1/4)
=-2006又1/4
(3)(-7)+(+6)+(+9)+(-4)
=-1+9-4
=4
(4)(-18.95)+(-7.25)+18.25+(+7又1/4)
=(-18.95)+(-7.25)+18.25+(+7.25)
=(-18.95)+18.25
=-0.7
(5)|-1/4|+(-1/3)+5/6
=1/4-1/3+5/6
=3/12-4/12+10/12
=9/12
=3/4
解、原式自己写下,o(∩_∩)o...
同学,着么简单用的找到电脑里来问吗。。。。。。。送你4个字:认真