Question

Va rog mult,am nevoie ​

Answer 1

Explicație pas cu pas:

c)

= [(81− 8 × 10) : 1 + 5¹² : 5¹² × 5] × 8

= [(81− 80) ÷ 1 + 1 × 5] × 8

= (1 ÷ 1 + 5) × 8

= (1 + 5) × 8

= 6 × 8

= 48

d)

= [(100 − 36) : 64 + (49 − 9) : 10] : 5

= (64 : 64 + 40 : 10) : 5

= (1 + 4) : 5

= 5 : 5

= 1