1) -5² +(-2)⁴= 25 + 16 = 41
2)3⁴ - ( 2/5)² ×6 1/4 = 81 - 4/25 × 25/4 = 81 - 1 = 80
3) 0,2 × 5³–0,4 × 2⁴ = 0.2 × 125 - 0.4 × 16 = 25-6.4 = 18.6
4) 8 × 0,5³ +125 × 0,2² = 8× 0.125 + 125 × 0.04= 1 + 5 = 6
1) - 9
2)2019/25 = 80 19/25 =80, 76
3) 23,4
4) 6
1) -5² +(-2)⁴= 25 + 16 = 41
2)3⁴ - ( 2/5)² ×6 1/4 = 81 - 4/25 × 25/4 = 81 - 1 = 80
3) 0,2 × 5³–0,4 × 2⁴ = 0.2 × 125 - 0.4 × 16 = 25-6.4 = 18.6
4) 8 × 0,5³ +125 × 0,2² = 8× 0.125 + 125 × 0.04= 1 + 5 = 6
1) - 9
2)2019/25 = 80 19/25 =80, 76
3) 23,4
4) 6