Question

Resolva as expressoeste abaixo 1: 77-15+(26-13) 2: 50÷5+(9×3-10) 3: 77-25+(35÷5+12÷2) 4: 45÷3+[28-10+(6×5-18)] 5: 15+51+[40÷4+(2×7-5)] 6: 36÷4+[10×5-22+(8×3-6)]

Answer 1

Y mais. 2X -3igual a 0
B -4 a c
2-4.1 (-3)
4Mais 12 .
16