45.9-22(36.7x-25.6)=43.92 25.378+41.5(12.58x+55.1)=2103.2 解方程 要过程

来源:百度知道 编辑:UC知道 时间:2024/06/19 04:13:22
45.9-22(36.7x-25.6)=43.92 25.378+41.5(12.58x+55.1)=2103.2 解方程 要过程

45.9-22(36.7x-25.6)=43.92
解:-22(36.7x-25.6)=43.92-45.9
-22(36.7x-25.6)=-1.98
36.7X-25.6 =0.09
36.7X=25.69
X=0.7

25.378+41.5(12.58x+55.1)=2103.2
解: 41.5(12.58x+55.1)=2077.822
12.58X+55.1 =50.068
12.58X =-5.032
X =-0.4

看得我眼花

45.9-22(36.7x-25.6)=43.92

解:
45.9-43.92=22(36.7x-25.6)
1.98/22=36.7x-25.6
0.09+25.6=36.7x
x=0.7

25.378+41.5(12.58x+55.1)=2103.2
解:
41.5(12.58x+55.1)=2103.2-25.378
(12.58x+55.1)=2077.822/41.5
12.58x=50.068-55.1
x=-5.032/12.58
x=-0.4