Question

5- Calcule: a) 20 - 35 = b) - 120 - 250 = c) 12 + 35 - 47 = d) 10 + 12 - 5 - 5 =

Answer 1

Resposta:

a) (+27)+(+13)+(-28)= 27+13-28=40-28=+12(+27)+(+13)+(−28)=27+13−28=40−28=+12

b) (-50)+(-30)+(-12)= -50-30-12=-80-12=-92(−50)+(−30)+(−12)=−50−30−12=−80−12=−92

c) (+90)+(-75)+(-47)= 90-75-47=15-47=-32(+90)+(−75)+(−47)=90−75−47=15−47=−32

d)(-11) + (+20) + (+35) + (-27)=-11+20+35-27=9+35-27=44-27=+17(−11)+(+20)+(+35)+(−27)=−11+20+35−27=9+35−27=44−27=+17

e) (+32) + (-68) + (-22) + (+48)=32-68-22+48=-36-22+48=-10(+32)+(−68)+(−22)+(+48)=32−68−22+48=−36−22+48=−10

f) (+99) + (-100) + (-100) + (+98) + (-10)= -1-100+98-10=-3-10=-13(+99)+(−100)+(−100)+(+98)+(−10)=−1−100+98−10=−3−10=−13

g) (-73) + (-22) + (-45) + (-92) + (+250) =-232+250=+18(−73)+(−22)+(−45)+(−92)+(+250)=−232+250=+18

espero que tenha te ajudado

Explicação passo a passo:

Answer 2

Resposta:

a)15; b)370; c)0; d)12

Explicação passo a passo:

a) 20 - 35 = 15

b) -120 - 250 = 370

c) 12 + 35 - 47 = 0

d) 10 + 12 - 5 - 5 = 12