Question

1. Rezolvă: a) (2³.3²-6²): 2²+2 b) [(15²:5-3²) +12]:6 c) [(2³)4: (25)² + (5³)7: (54)5]: 3-3 d) 3².5-24:2 e) 3-(5²-4²)-6
Plsssss am nevoie de ajutor.​

Answer 1

Răspuns:

a) (2³ × 3² - 6²) : 2² + 2= ( 8×9-36) : 4+ 2 = (72-36) : 4+ 2 = 36:4+2=9+2=11

b) [(15²:5-3²)+12]:6= [(225:5-9)+12]:6= [(45-9)+12]:6 = (36 +12) :6= 48:6=8

d) 3² × 5 -24: 2 = 9×5-12 = 45- 12= 33

e) 3 - (5²-4²)-6= 3-(25-16)-6= 3-9-6 = -12