Question

数学计算

1.1x＜1.2y+0.9z+0.55h
y+z+h=x

Answer 1

将y+z+h=x代入不等式得：
1.1(y+z+h)＜1.2y+0.9z+0.55h
0.1y-0.2z-0.55h＞0
10y-20z-55h＞0
2y-4z-11h＞0

Answer 2

解：1.1x＜1.2y+0.9z+0.55h
y+z+h=x

1.1(y+z+h)＜1.2y+0.9z+0.55h
0.1y>0.2z+0.55h
y>2z+5.5h

希望对你有帮助。

Answer 3

把X代入，移项，化简，得到4Z-2Y+11H<0