Question

aflati nr a,b,c stiiind ca a+b=c, a-b=b ,b+c=32​

Answer 1

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

Answer 2

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.

a+b=c

16+8=c

16+8=24

c=24.