Объяснение:
2) mn=180-140=40
mn1=140
m1n1=40
3) ab1-ab=120-40=80
ab1=120
ab=40
4) x+x=40
2x=40
x=20
mn=20
mn1=180-20=160
6) 155-25=130
2=4=>130
1=3=>50
7) 1=3=>220-80=40
2=4=>180-40=140
8) 2=4=>130
1=3=>180-130=50
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Объяснение:
2) mn=180-140=40
mn1=140
m1n1=40
3) ab1-ab=120-40=80
ab1=120
ab=40
4) x+x=40
2x=40
x=20
mn=20
mn1=180-20=160
6) 155-25=130
2=4=>130
1=3=>50
7) 1=3=>220-80=40
2=4=>180-40=140
8) 2=4=>130
1=3=>180-130=50