Răspuns:
[tex]a) {10}^{2} \times [4 + 5 \times {3}^{2} - {2}^{5} + {4}^{3 } \times (49 - {3}^{2} ) \div {2}^{3} ] = \\ 100 \times [4 + 5 \times 9 - 32 + 64 \times (49 - 9) \div 8] = \\ 100 \times (4 + 45 - 32 + 64 \times 40 \div 8) = \\ 100 \times (4 + 45 - 32 + 2560 \div 8) = \\ 100 \times (49 - 32 + 320) = \\ 100 \times (17 + 320) = \\ 100 \times 337 = 33700[/tex]
sper că te-am ajutat!