解方程 X+3.2=4.6 X-1.8=4 X-2=15 1.6X=6.4 X\7=0.3 X\3=2.1 今天下午给答案

分类: 作业答案 • 2021-12-20 05:54:16

问题描述：

答

X+3.2=4.6 X=4.6-3.2=1.4
X-1.8=4 X=4+1.8=5.8
X-2=15 X=2+15=17
1.6X=6.4 X=6.4/1.6=4
X\7=0.3 X=0.3*7=2.1
X\3=2.1 X=2.1*3=6.3

答

x+3.2=4.6 =>x=1.4
x-1.8=4 => x=2.2
x-2=15 => x=13
1.6x=6.4 => x=4
x/7=0.3 => x=2.1
x/3=2.1 => x=6.3

答

X+3.2=4.6
X=4.6-3.2
X=1.4
X-1.8=4
X=4+1.8
X=5.8
X-2=15
X=15+2
X=17
1.6X=6.4
X=6.4\1.6
X=4
X\7=0.3
X=0.3×7
X=2.1
X\3=2.1
X=2.1×3
x=6.3