Question

Diferenta a doua nr este 45.afla cele doua nr stiind ca impartind nr mai mare la nr mai mic obtinem catul 5 si resrul 5
VA ROG FIGURATIV!!!!

Answer 1

a-b=45
a:b=5 rest 5 => a=5b+5

5b+5-b=45
4b+5=45
4b=45-5
4b=40
b=40:4
b=10

a=5×10+5
a=55
...................

Proba :
55-10=45

55:10=5 rest 5

Answer 2

a - b = 45
a : b = 5 restul 5
a = 5×b+5

a |___|___|___|___|___|+5
b |___|

5 segmente egale+5 - 1 segment egal = 4 segmente egale+5 = 45
45 - 5 = 40
40 : 4 = 10 (un segment egal)
a = 5×10+5 = 50+5 = 55
b = 10

Verificare:
55 - 10 = 45
55 : 10 = 5 rest 5