Question

Scrie in ordine crescatoare toate numerele mai mici decat 100, a)care au cifra zecilor 7,b)au cifra unitatilor 7, c)sunt scrise cu cifre indentice,d)au suma cifrelor egala cu 4

Answer 1

a) 70,71,72,73,74,75,76,77,78,79

b)7,17,27,37,47,57,67,77,87,97

c)11,22,33,44,55,66,77,88,99

d) 4,13,22,31,40

Answer 2

Numerele mai mici decât 100:

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99.

a)70,71,72,73,74,75,76,77,78,79.

b)17,27,37,47,57,67,77,87,97.

c)11,22,33,44,55,66,77,88,99.

d)13,21,31,40.