Răspuns:
Explicație pas cu pas:
1.
3 + 15 : 5 - 6 = 3 + 3 - 6 = 0
3.
P = 4 x 6 cm = 24 cm
4.
A = 6 x 14 /2 = 42 cm^2
5.
A = 12 x 5 = 60 cm^2
6.
Ma = (36 + 144)/2 = 180/2 = 90
Mg = √36*144 = 6*12 = 72
1. 0
2.-
3.P=4l=>4×6=24
4.(d1×d2)/2=> (6×14)/2=84/2=42
5.A=L×l=>12×5=60
6. ma=a×b/2=>36×144/2=36×72=2592
