Question

Afla catul impartirilor,apoi verifica corectitudinea calculelor prin proba.
a)486:2 b)726:6 c)458:2 d)774:6 e)128:4
804:2 549:3 975:3 465:3 576:8
638:2 910:7 696:6 885:3 438:6

Answer 1

a)
486:2=243
v:243×2=486

b)
726:6=121
v:121×6=726

c)
458:2=229
v:229×2=458

d)
774:6=129
v:129×6=774

e)
128:4=32
v:32×4=128

804:2=402
v:402×2=804

549:3=183
v:183×3=549

975:3=325
v:325×3=975

465:3=155
v:155×3=465

576:8=72
v:72×8=576

638:2=319
v:319×2=638

910:7=130
v:130×7=910

696:6=116
v:116×6=696

885:3=295
v:295×3=885

438:6=73
v:73×6=438

Answer 2

a)486:2 =243 (catul)
proba: 243x2=486

b)726:6=121
121x6=726
 
c)458:2=229
229x2=458

 d)774:6 =129
129x6=774

e)128:4=32
32x4=128

804:2 =402
402x2=804

549:3 =183
183x3=549

975:3 =325
325x3=975

465:3 =155
155x3=465

576:8=72
72x8=576

638:2 =319
319x2=638

910:7=130
130x7=910

 696:6 =116
116x6=696

885:3 =295
295x3=885

438:6=73
73x6=438