Question

olá, alguem poderia me ajudar ?

Answer 1

As respostas são essas:

a)6
b)-17
c)38
d)34

Answer 2

A)9-6= 3+3=6+5=11+8=19+4=23-1=22-2=20+4=24
B)10-9=1+7=8+2=10+5=15-3=12-8=4-10=6+9=15
C)15+20=35+40=75-10=65+5=70-6=64+3=67+4=61-1=60-2=58
D)60-40=20+10=30-5=25+20=45-18=27+21=48+8=56-9=47+3=50