Question

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Answer 1

Răspuns:

a. P=3×2+2×2=10

sau

P=(3+2)×2=10

sau

P=3+2++3+2=10

b. P=2×4=8

P=2+2+2+2=8

c.P=2+3×2=8cm

P=2+3+3=8cm

d. P=4×3=12

P=4+4+4=12

Answer 2

Răspuns:

1) 4cm*2+3cm*2= 8cm+6cm=14cm (Perimetrul)

2) 8cm*4=32cm(Perimetrul)

3) a-2cm*2+3cm*2=4cm+6cm=10cm(Perimetru)

b-2cm*4=8cm(Perimetru)

c-3cm*2+2cm=6cm+2cm=8cm

d-4cm*3=12cm