Question

Verifică egalitățile: a)23+(60-5×7):5=4×7 b)2×(3+20÷5×4)-30=32:4 c)(9×5-3×3×3):3+8×8=80-8​

Answer 1

Răspuns:

Explicație pas cu pas:

a)23+(60-5×7):5=4×7

23+(60-35):5=23+25:5=23+5=28

4x7=28

28=28

b)2×(3+20÷5×4)-30=32:4

2x(3+4x4)=2x(3+16)=2x19=38

32:4=8

38≠8

c)(9×5-3×3×3):3+8×8=80-8​

(45-27):3+64=18:3+64=6+64=70

80-8=72

70≠72

Answer 2

Răspuns:

A) 23+(60-35):5=28

23+25:5=28

23+5=28

28=28

B) 2x(3+4x4)-30=8

2x(3+16)-30=8

2x19-30=8

38-30=8

8=8

C). (45-9X3):3+64=72

(45-27):3+64=72

18:3+64=72

6+64=72

70=/72