Question

gente quanto é 5+5
6÷6
7×7
8-8
9÷3×50÷5-21×1

Answer 1

$5 + 5 = 10 \\ 6 \div 6 = 1 \\ 7 \times 7 = 49 \\ 8 - 8 = 0 \\ 9 \div 3 \times 50 \div 5 - 21 \times 1 = 3 \times 50 \div 5 - 21 \times 1 = 150 \div 5 - 21 \times 1 = 30 - 21 \times 1 = 30 - 21 = 9$