Question

Aflați-l pe b: b=[7^45-5×7^44-97×7^42):5^0]^2​

Answer 1

Răspuns:

b=[7^45-5×7^44-97×7^42):5^0]^2​

dam factor comun 7⁴²

b=[7⁴²(7³-5·7²-98):1]²

b=[7⁴²(343-5·49-98):1]²

b=[7⁴²(343-245-98):1]²

b=(7⁴²·0:1)²

b=0²

b=0