Question

Scoateți factorul comun în afara parantezelot, apoi calculati: a)3×5+3+2;
4×10-4×6;
c)8×5+5×2;
10×7-7×3;
e)2×6+2×5+2×9;
5×10+5×3+7×5;
2×8+8×3+5×8;
f)3×10-3×4-3×2;
9×20-9×6-7×9;
8×6-3×8-8×2. vă rog!!!!!​

Answer 1

Răspuns:

a) 3×(5+2)=3×7=21

b) 4×(10-6)=4×4=16

c)5×(8+2)=5×10=50

d)7×(10-3)=7×7$49

e)2×(6+5+9)=2×20=40

5×(10+3+5)=5×18=80

8×(2+3+5)=8×10=80

f)3×(10-4-2)=3×4=12

9×(20-6-9)=9×5=45

8×(6-3-2)=8×1=8