Question

2+2×2-7+6+9÷4+7-5×10

Answer 1

Решение:
$\displaystyle \tt 2 + 2 \times 2 - 7 + 6 + 9 \div 4 + 7 - 5 \times 10 = 2 + 4 - 7 + 6 + 2.25 + 7 - 50 = 12.25 - 50 = - 37.75$