4.2(X—2)=8.4 8.7(X-5.9)=0 4.2(X—2)=8.4 8.7(X-5.9)=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 00:58:11
![4.2(X—2)=8.4 8.7(X-5.9)=0 4.2(X—2)=8.4 8.7(X-5.9)=0](/uploads/image/z/1253410-34-0.jpg?t=4.2%28X%E2%80%942%29%3D8.4+8.7%28X-5.9%29%3D0+4.2%28X%E2%80%942%29%3D8.4+8.7%28X-5.9%29%3D0)
4.2(X—2)=8.4 8.7(X-5.9)=0 4.2(X—2)=8.4 8.7(X-5.9)=0
4.2(X—2)=8.4 8.7(X-5.9)=0
4.2(X—2)=8.4 8.7(X-5.9)=0
4.2(X—2)=8.4 8.7(X-5.9)=0 4.2(X—2)=8.4 8.7(X-5.9)=0
4.2(X—2)=8.4
x-2=8.4/4.2=2
x=2+2=4
8.7(X-5.9)=0
x-5.9=0
x=5.9
4.2(X—2)=8.4
x-2= 2
x=4
8.7(X-5.9)=0
x-5.9=0
x=5.9
4.2(X-2)=8.4
X-2=8.4/4.2
X-2=2
X=4
8.7(X-5.9)=0
X-5.9=0
X=5.9
4.2(x-2)÷4.2=8.4÷4.2 8.7(x-5.9)÷8.7=0÷8.7
x-2=2 x-5.9=0
x-2+2=2+2 x-5.9+5.9=
x=4
4.2(X-2)=8.4
X-2=8.4/4.2
X=2+2=4
8.7(X-5.9)=0
X=5.9
第二题属于特类题 ,一看就应该知道X-5.9必须等0.这样的题不用计算的.
X--1.4+0.6=2.4
x=2.4-0.6+1.4
x=3.2