Rezolvarea:
a-b=b
a=b+b=2×b
a + b= c
2×b+b=c
3×b=c
b + c = 32
b+3×b=32
4×b=32
b=32:4=8cm
a=2×b=2×8=16
c=3×b=3×8=24
Verificarea:
16+8=24
16-8=8
8+24=32
Răspuns:
Salut
a+b=c
a+a-b=c
2a-b=c
2a=c+b. (c+b=32)
a=32:2
a=16.
a-b=c
16-b=b
16=b+b
16=2b
2b=16
b=8.
16+8=c
c=24.
