Answers

✨ Jawaban Terbaik ✨

(1)把y=0帶入方程式x-2y=10
x-(2×0)=10
x=10

(2)類推
1-2y=10
2y=-9
y=-9/2

(3)
x-[2×(-3)]=10
x-(-6)=10
x+6=10
x=4

(4)
0.2-2y=10
2y=-9.8
y=-4.9

pc👻.

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