Question

(b) 0+(_13)=

(c) (_34)+(_3)=

(d) (_8)+(_51)=

(e) (+21)+(+21)=

(f) (+49)+(_60)=

(g)(_130)+(+125)=

(h)(+49)+(+121)=

(i)(+820)×(_510)=

(j)(_162)+(+275)=​

Answer 1

Resposta:Segue as contas abaixo na explicação

Explicação passo-a-passo:

b) 0+(_13)---->0-13---->-13

(c) (-34)+(-3)---->-34-3---->-37

(d) (-8)+(-51)---->-8-51---->-59

(e) (+21)+(+21)---->+21+21---->+42

(f) (+49)+(-60)---->+49-60---->-11

(g)(-130)+(+125)---->-130+125---->-5

(h)(+49)+(+121)---->+49+121---->+170

(i)(+820)×(-510)---->-418200

(j)(-162)+(+275)---->-162+275---->+113