1.(-2.5)--5.9
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/23 15:13:03
1.(-2.5)--5.9
2.1.9-(-6)
3.-4.2+5.7-8.4+10
4.6.1-3.7-4.9+1.8
5.三分之一减三分之二加一
6.负四分之一加六分之五加三分之二减二分之一
7.(-36)-(25)-(+36)+(72)
8.(-8)-(-3)+(+5)-(+9)
9.-5-9+3(加减的相互转化)
10.-5-9+3(加减的相互转化)
11.-3-4+19-11(加减的相互转化)
12.-8+12-16-23(加减的相互转化)
2.1.9-(-6)
3.-4.2+5.7-8.4+10
4.6.1-3.7-4.9+1.8
5.三分之一减三分之二加一
6.负四分之一加六分之五加三分之二减二分之一
7.(-36)-(25)-(+36)+(72)
8.(-8)-(-3)+(+5)-(+9)
9.-5-9+3(加减的相互转化)
10.-5-9+3(加减的相互转化)
11.-3-4+19-11(加减的相互转化)
12.-8+12-16-23(加减的相互转化)
1.(-2.5)+(-5.9)
= -8.4
2.1.9+6
= 7.9
3.(-4.2)+(-8.4)+5.7+10
=(-12.6)+10
= -2.6
4.(-3.7)+(-4.9)+6.1+1.8
=(-8.6)+7.9
=-0.7
5.1/3-2/3+1
=1/3+1-2/3
= 2/3
6.(-1/4)+5/6+2/3-1/2
=(-1/4)+(-1/2)+5/6+2/3
=(-3/4)+9/6
=3/4
7.-36-25-36+72
=-97+72
=-25
8.-8+3+5-9
=-17+8
=-9
9.-5-9+3
=-11
10.-5-9+3
=-11
11.-3-4+19-11
=1
12.-8+12-16-23
=-35
= -8.4
2.1.9+6
= 7.9
3.(-4.2)+(-8.4)+5.7+10
=(-12.6)+10
= -2.6
4.(-3.7)+(-4.9)+6.1+1.8
=(-8.6)+7.9
=-0.7
5.1/3-2/3+1
=1/3+1-2/3
= 2/3
6.(-1/4)+5/6+2/3-1/2
=(-1/4)+(-1/2)+5/6+2/3
=(-3/4)+9/6
=3/4
7.-36-25-36+72
=-97+72
=-25
8.-8+3+5-9
=-17+8
=-9
9.-5-9+3
=-11
10.-5-9+3
=-11
11.-3-4+19-11
=1
12.-8+12-16-23
=-35
1.(-2.5)--5.9
(5.9+0.35)/2.5简便计算
正数减负数怎么算. 例如:(-2.5)-5.9=
(5.9+0.35)*2.5,21/1.5-0.15 3.7*99+3.7 简便计算
(5.9+1.65)除以2.5 简便运算
1.()—It has 5.9 million people.A where‘ Dalian B what does H
1.化简:-(+2.5)-(-2.5)+(-2.5)+(+2.5)准确一点!
5.9×4.8+59×0.42+5.9﹙简算)
1.(2.1×9分之4+9分之4×5.9)÷3.6 2.12.5×(36-7又5分之1)÷3.6
有理数的减法:6-9 (+4)-(-7) (-2.5)-5.9 (-5)-(-8) 0-
1.(2.5X+4)×3=6+9.5
解方程7.5X-5.9(46-X)=10