Question

me ajudem pfvr! urgenteeeee​

Answer 1

-(17-4-3)

-17+4+3

-17+7

-10

-(25-3+15)

-25+3-15

-45+3

-42

+(+13)-(45-12-13)

+13-45+12+13

+13+12+13-45

+38-45

-6

64-(+15-12)-(+15-20)+(-4-60)

64-15+12-15+20-4-60

64+12+20-4-60-15-15

96-94

2

35+(45-60)-(-40+60)

35+45-60+40-60

35+45+40-60-60

120-120

0