Question

Cine Răspunde primul și corect ia coroana !!!

Answer 1

Salut,

1. a) 27:11 = 2 r 45 [2,(45)]
b) 427:7 = 61 r 0
c) 425:15 = 28 r 3 [28,(3)]

2. a) 3•4+3•5 = 3•(4+5) = 3•9 = 27.
b) 4•7+4•8+4•5 = 4•(7+8+5) = 4•20 = 80.
c) 32•6-12•6 = 6•(32-12) = 6•20 = 120.
d) 9•8-8•7+8•2 = 8•(9-7+2) = 8•4 = 32.
e) 6+18+36 = 6•(1+3+6) = 6•10 = 60.
f) 44-33 = 11•(4-3) = 11•1 = 11.

3. a) 3•b+3•c = 3•(b+c) = 3•15 = 45.
b) a•b+a•c = a•(b+c) = 4•23 = 92.
c) ac-bc = c•(a-b) = 5•27 = 135.

Succes! :3