1.Calculati:
a)(-4√3)⁻¹
b)(2√3)⁴ ÷ (2√3)⁵
c)(6√2)⁴ ÷ (6√2)⁵
d)(4√5)¹⁶ ÷ (4√5)²
e)(2√3)¹⁵ ÷ (2√3)⁸

2.Efectuati:
a=(-2)³·√49+(-5)⁴÷√16+9
b=2⁴×(3³-5²)-(2·5²-2²·5)÷√25

Va rog ajutati-ma