早教吧作业答案频道 -->其他-->
解下列方程x-4.8=19.324.34+x=6.276.5-x=3.54.8÷x=1.23.6x=2.88x÷0.96=4.55x+3=484x-20=0.82.4-3x=0.33x-12×3=245x+7x=841.2×4+6x=13.88x-4x=60x-0.76x=0.487x÷3=8.19.
题目详情
解下列方程
x-4.8=19.32 | 4.34+x=6.27 | 6.5-x=3.5 | 4.8÷x=1.2 | 3.6x=2.88 |
x÷0.96=4.5 | 5x+3=48 | 4x-20=0.8 | 2.4-3x=0.3 | 3x-12×3=24 |
5x+7x=84 | 1.2×4+6x=13.8 | 8x-4x=60 | x-0.76x=0.48 | 7x÷3=8.19. |
▼优质解答
答案和解析
(1)x-4.8=19.32
x-4.8+4.8=19.32+4.8
x=24.12;
(2)4.34+x=6.27
4.34+x-4.34=6.27-4.34
x=1.93;
(3)6.5-x=3.5
6.5-x+x=3.5+x
6.5-3.5=3.5+x-3.5
x=3;
(4)4.8÷x=1.2
4.8÷x×x=1.2×x
4.8÷1.2=1.2x÷1.2
x=4;
(5)3.6x=2.88
3.6x÷3.6=2.88÷3.6
x=0.8;
(6)x÷0.96=4.5
x÷0.96×0.96=4.5×0.96
x=4.32;
(7)5x+3=48
5x+3-3=48-3
5x÷5=45÷5
x=9;
(8)4x-20=0.8
4x-20+20=0.8+20
4x÷4=20.8÷4
x=5.2;
(9)2.4-3x=0.3
2.4-3x+3x=0.3+3x
2.4-0.3=0.3+3x-0.3
2.1÷3=3x÷3
x=0.7;
(10)3x-12×3=24
3x-36+36=24+36
3x÷3=60÷3
x=20;
(11)5x+7x=84
12x=84
12x÷12=84÷12
x=7;
(12)1.2×4+6x=13.8
4.8+6x-4.8=13.8-4.8
6x÷6=9÷6
x=1.5;
(13)8x-4x=60
12x=60
12x÷12=60÷12
x=5;
(14)x-0.76x=0.48
0.24x=0.48
0.24x÷0.24=0.48÷0.24
x=2;
(15)7x÷3=8.19
7x÷3×3=8.19×3
7x÷7=24.57÷7
x=3.51.
x-4.8+4.8=19.32+4.8
x=24.12;
(2)4.34+x=6.27
4.34+x-4.34=6.27-4.34
x=1.93;
(3)6.5-x=3.5
6.5-x+x=3.5+x
6.5-3.5=3.5+x-3.5
x=3;
(4)4.8÷x=1.2
4.8÷x×x=1.2×x
4.8÷1.2=1.2x÷1.2
x=4;
(5)3.6x=2.88
3.6x÷3.6=2.88÷3.6
x=0.8;
(6)x÷0.96=4.5
x÷0.96×0.96=4.5×0.96
x=4.32;
(7)5x+3=48
5x+3-3=48-3
5x÷5=45÷5
x=9;
(8)4x-20=0.8
4x-20+20=0.8+20
4x÷4=20.8÷4
x=5.2;
(9)2.4-3x=0.3
2.4-3x+3x=0.3+3x
2.4-0.3=0.3+3x-0.3
2.1÷3=3x÷3
x=0.7;
(10)3x-12×3=24
3x-36+36=24+36
3x÷3=60÷3
x=20;
(11)5x+7x=84
12x=84
12x÷12=84÷12
x=7;
(12)1.2×4+6x=13.8
4.8+6x-4.8=13.8-4.8
6x÷6=9÷6
x=1.5;
(13)8x-4x=60
12x=60
12x÷12=60÷12
x=5;
(14)x-0.76x=0.48
0.24x=0.48
0.24x÷0.24=0.48÷0.24
x=2;
(15)7x÷3=8.19
7x÷3×3=8.19×3
7x÷7=24.57÷7
x=3.51.
看了 解下列方程x-4.8=19....的网友还看了以下:
45%x=8/19(x-2)+2 2020-05-23 …
1.在分数2/5、5/11、8/17、20/41、40/82中,最大的是(),最小的是(2.有四个 2020-06-08 …
看谁算得又对又快34+14=2+49=3-23=34-12=16+12-16=7.5-(2.5+3 2020-07-09 …
1,1,2,4,3,9,4,16,()25,6,(),.15,16,13,19,11,22,(), 2020-07-16 …
0.39+1/5+39/100+4/5=1/2-(5/6-3/8)=8/19-6/19+1/107 2020-07-17 …
简便计算1÷(2÷3)÷(3÷4)÷(4÷5)(12.3+23.41+34.12+41.23)简便 2020-07-18 …
解下列方程x-4.8=19.324.34+x=6.276.5-x=3.54.8÷x=1.23.6x 2020-07-19 …
简算(必须有过程)3.6*312/5+3.14*6477/23*3.125+25/8*216/23 2020-07-19 …
求CH=19√19/8k^19设Ax8又19/8=-23又8/19-10又10/8 2020-10-31 …
一段24个数字的密码,求破译1,13,2,21,19,8,15,14,20,8,5,19,5,21, 2020-11-23 …