Răspuns :

Răspuns:

P=6cm+8cm+10cm

=24cm

P=10cm+10cm+10cm+10cm

=40cm

P=12cm+4cm+12cm+4cm

=32cm

Răspuns:

1.a) 6cm + 8cm + 10cm =14cm + 10cm = 24cm

b)10cm × 4 = 40cm

c) 12cm × 2 + 4cm × 2 = 24cm + 8cm= 32cm

Explicație pas cu pas:

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