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128Х34-а= 975
308×17-b=2878
c-256×34=398
86×24-d=1379
e:37×3200
c-85×19=987
dau coroana trebuie cu fiecare calcul


Răspuns :

Răspuns:

A) 128*34-a=975

= 4352 - a = 957

a= 4352-957

a=3395

B) 308*17-b=2878

= 5236-b=2878

b= 5236-2878

b=2358

C) c-256*34=398

c-8704=398

C=8704+398

C= 9102

D) 86*24-a=1379

2064-a=1379

a=2064 - 1379

a=685

E) b+37*62=3200

b+2294=3200

b=3200-2294

b=906

F) c-85*19=987

C-1615=987

C=1615+987

C=2602

Normal ca pot!