Question

Calculeaza numerele necunoscute.a:3=12 rest 2.64:b=5 rest 4 91:c=9 rest 1

Answer 1

Răspuns:

Teorema impartirii cu rest: D= I×C+R, R<I

a= 3×12+2= 38

_____

64= 5b+4|-4

5b=60=> b=12

_____

91=9c+1|-1

9c=90=> c=10

Answer 2

Răspuns:

a:3=12,r2

a=3*12+2

a=36+2

a=38

64:b=5,r4

b=(64-4):5

b=60:5

b=12

91:c=9,r1

c=(91-1):9

c=90:9

c=10