Question

afla suma a trei numere consecutive stiind ca unul dintre termeni este 225 152 255

Answer 1

a:b:c=> nr consecutive
a=152
b=a+1...=> b=153
c=a+2...=> c=154
a+b+c=?
152+153+154=495

b=152....=> a=b-1...=> a=151....=>c=b+1...=>c=153
151+152+153=456

c=152...=>a=c-2...=>a=150...=>b=c-1...=>b=151
150+151+152=453

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a=225...=>b=226...=>c=227
225+226+227=678

b=225...=> a=224...=>c=226
224+225+226=675

c=225...=>a=223...=>b=224
223+224+225=672
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a=255...=>b=256...=>c=257
255+256+257=768

b=255..=>a=254...=>c=256
254+255+256=765

c=255...=> a=253...=>b=254
253+255+254=762