Question

efetue os cancelamentos e calcule 4+100-100-7+6-1

Answer 1

=  4 + 100 - 100 - 7 + 6 - 1
= 4 + 0 - 7 + 5
= 4 - 7 + 5
= 4 + 5 - 7
= 9 - 7
= 2