Реши задания на фотографии.

1. N1. 7+4=11, 18-1=17, 0×4=0. 2. N2. 4³=64, 14²=196, (5+6)³ = 11³ = 1331, (3+0.3)³ = (3.3)³ = 35.937. 3. N3. (2+3c)³ = (2+3c)×(2+3c)×(2+3c), (b-7)⁴ = (b-7)×(b-7)×(b-7)×(b-7), (20-y)² = (20-y)×(20-y). 4. N4. Упрощение выражений: 26x+5+14x=2+30x, 9+23a-14a=18+9a, 56+19y+15+42y = 61y+10x+5.