Answer:
[tex] {4}^{0} + {2}^{2} \times 7 - 4(42 \div 7) - ( {4}^{1} - 1) \\ 1 + 4 \times 7 - 4 \times 6 - (4 - 1)[/tex]
1+28-24-3
1+4-3
5-3
2
