Question

Ce numar poate inlocui a? Dar b?
a) 5290+a<5295
b)2350<2356-b

Answer 1

a)varianta 1.
5290+a <5295
5290+4=5294
5294<5295
varianta 2.
5290+a <5295
5290+3 =5293
5293 <5295
varianta 3.
5290+a <5295
5290+2=5292
5292 <5295
varianta 4.
5290+a <5295
5290+1=5291
5291 <5295

b)varianta 1.
2350 <2356-b
2356-5=2351
2350 <2351
varianta 2.
2350 <2356-b
2356-4=2352
2350 <2353

varianta 3.
2350 <2356-b
2356-3=2353
2350<2353

varianta .4
2350<2356-b
2356-2=2354
2350 <2354

varianta 5.
2350 <2356-b
2356-1=2355
2350 <2355
succes!