30%x+25=43 x-30%x=14 x+25%x=20
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/29 03:46:30
30%x+25=43 x-30%x=14 x+25%x=20
40%x-12=22 x+10%x=22 (1-25%)x=240
40%x-12=22 x+10%x=22 (1-25%)x=240
30%x+25=43
30%x = 18
x = 60
x-30%x=14
70%x =14
x = 20
x+25%x=20
125%x =20
x = 16
40%x-12=22
40%x = 34
x = 85
x+10%x=22
110%x =22
x = 20
(1-25%)x=240
75%x =240
x =320
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30%x = 18
x = 60
x-30%x=14
70%x =14
x = 20
x+25%x=20
125%x =20
x = 16
40%x-12=22
40%x = 34
x = 85
x+10%x=22
110%x =22
x = 20
(1-25%)x=240
75%x =240
x =320
~ 满意请采纳,不清楚请追问.
--------------------
~ 梳理知识,帮助别人,愉悦自己.
~ “数理无限”团队欢迎你
~ http://zhidao.baidu.com/team/view/%CA%FD%C0%ED%CE%DE%CF%DE
x-30%x=14x+25%x=20
x-60%x-25%x=25%x-30
(25/X)X(30/X)= 15/X怎么算
(X+X)+(X-X)+(X*X)+(X/X)=100
x/2+x/6+x/12+x/20+x/30+x/42=1
解一元一次方程 x/2+x/6+x/12+x/20+x/30+x/42=6
x-(30%x+30%x+15)=25
(25%X-30)+110=15%X+X
解方程:20%X+30%X=2.5; X-14
x加30%x=52、x减40%x=15、50%x加x=31.5、x减1%x=19.8、x加25%x=2.5、x减15%x
x-78%x=8.8 (1+25%)x=46 25%x/2=5 x+30%x=52 6%x-0.8%x=10.4 7.3
解方程:X-25%X=30 2X+30%X=9.2 75%X-45%X=12 X+120%X=33