1.-7-4-3.5-2.5=
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/22 11:43:15
1.-7-4-3.5-2.5=
2.3.7+(-2.7)-(-1.3)-3.6
3.三分之一+(-二分之一)+四分之三-(-三分之二)
4.-0.8-(-0.8)-(-五分之四)-0.92-(-9)
5.-17+(-18)+(-6)-2-16.5
6.丨5又四分之三丨-丨-2+3+0.75丨=
7.丨-4又四分之一丨-(-5又四分之三)+(-4七分之三)
8.-丨-0.125丨+四分之三-(0.125)+丨-0.75丨=
2.3.7+(-2.7)-(-1.3)-3.6
3.三分之一+(-二分之一)+四分之三-(-三分之二)
4.-0.8-(-0.8)-(-五分之四)-0.92-(-9)
5.-17+(-18)+(-6)-2-16.5
6.丨5又四分之三丨-丨-2+3+0.75丨=
7.丨-4又四分之一丨-(-5又四分之三)+(-4七分之三)
8.-丨-0.125丨+四分之三-(0.125)+丨-0.75丨=
=-7-4-(3.5+2.5)
=-7-4-7
=-18
=3.7-2.7+1.3-3.6
=1+1.3-3.6
=-1.3
=1/3+2/3+(-2/4)+3/4
=1+1/4
=5/4
=-0.8+0.8+0.8-0.92+9
=0.8-0.92+9
=8.88
=-17-18-6-2-16.5
=-59.5
=5.75-1.75
=4
=17/4+23/4-31/7
=10-31/7
=70/7-31/7
=39/7
=-0.125-0.125+0.75+0.75
=-0.25+1.5
=1.25
我可素很辛苦的!
=-7-4-7
=-18
=3.7-2.7+1.3-3.6
=1+1.3-3.6
=-1.3
=1/3+2/3+(-2/4)+3/4
=1+1/4
=5/4
=-0.8+0.8+0.8-0.92+9
=0.8-0.92+9
=8.88
=-17-18-6-2-16.5
=-59.5
=5.75-1.75
=4
=17/4+23/4-31/7
=10-31/7
=70/7-31/7
=39/7
=-0.125-0.125+0.75+0.75
=-0.25+1.5
=1.25
我可素很辛苦的!
3.5X+2.5(14-X)=4
2.5×7-2x=3.5解方程
[13/17+(-3.5)+(-6)]+[(+2.5)+(+6)+(4/17)]=
解方程1:4×7+4x=362:3x-27=03:2.5(x-9)=104:3.5x+2.6x=12.2
7x+4×3.5=24.
1.3/1+6/1+4/1= 2.5/2-4/3+10/7= 3.5/2-3/1+2/1= 4.8/5+5/2-16/3
这题怎么做 3.5x-2.5=8 4x3*7=29 5x+5*7=68 5x-3*11=42 7x-5*0.5=57.7
求下面算式中”囗”所表示的数 (1)(囗+6)/7-2.5=3.5 (2)(囗x7一囗一囗)/4
(x-2.5):7=1.2:3.5等于什么?要全过程的
4-2.5X=3.5怎么解方程,X=多少
2分之7除以4X=2.5 2分之7除以4X=2.5
1.x+7分之x+2=二分之一 2.5分之4x-6=三分之2x+1