Question

calcule as expressões a)-7-3+2-6+8-1=





b)+9-2+6-3+5-4=​

Answer 1

Olá

$a) - 7 - 3 + 2 - 6 + 8 - 1 \\ - 10 - 4 + 7 \\ - 7 \\ b) + 9 - 2 + 6 - 3 + 5 - 4 \\ 7 + 3 + 1 \\ 11$