Question

5. Afla numerele necunoscute: a) a : 3 = 12 rest 2 b) 64: b = 5 rest 4 c) 91: c = 9 rest 1 Nu uităm că 1 = (D-R): C Vă rog!!!!!!​

Answer 1

Explicație pas cu pas:

a. a:3=12 rest 2

a=12×3+2

a=36+2

a=38

b. 64:b=5 rest 4

b=(64-4):5

b=60:5

b=12

c. 91:c=9 rest 1

c=(91-1):9

c=90:9

c=10

Answer 2

Răspuns:

$a. a:3=12 rest 2\\\\a=12*3+2\\\\a=36+2\\\\a=38\\\\b. 64:b=5 rest 4\\\\64=5b+4\\\\64-4=5b\\\\b=60:5\\\\b=12\\\\c. 91:c=9 rest 1\\\\91=9c+1\\\\c=90:9\\\\c=10$