Question

Va rog urgent cum se face 1) catul importatorilor si fa proba prin operatie inversa 438:6=,465:3=,576:8=,774:6=,144:4=, 522:9=, 2) se dau numerele a=528 b=366,, c=2 afla: a:c= b:c= (a+b):c= (a-b):c=

Answer 1

438:6=73
73x6=438
465:3=155
155x3=465
576:8=72
72x8=576
774:6=129
129x6=774
144:4=36
36x4=144
522:9=58
58x9=522

a=528
b=366
c=2
a:c=528:2=264
b:c=366:2=183
(a+b):c=(528+366):2=894:2=447
(a-b):c=(528-366):2=162:2=81