Question

501. Afla triplul numărului p,in fiecare caz,știind că:






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Answer 1

Răspuns:

Deci triplul ×3

a)p=(565:5-3×29)×8-516:4+3×19

p=(113-87)×8-516:4+3×19

p=26×8-516:4+3×19

p=208-516:4+3×19

p=208-129+3×19

p=208-129+57

p=79+57

p=136

136×3=408(triplul)

b)p=46+5×[36:6+5×(30+6×20:4)]

p=46+5×[6+5×(30+6×20:4)]

p=46+5×11×(30+120:4)

p=46+5×11×(30+30)

p=46+5×11×60

p=46+55×60

p=46+3300

p=3346

3346×3=10.038(triplul)

C) p=[(90+81:9):9+(80+80:80):9-3]+506

p=[(90+9):9+(80+80:80):9-3]+506

p=99:9+(80+80:80):9-3+506

p=11+(80+80:80):9-3+506

p=11+(80+1):9-3+506

p=11+81:9-3+506

p=11+9-3+506

p=20-3+506

p=17+506

p=523

523×3=1569(triplul)