Question

va voi da o evaluare:
EVALUARE

1.calculeaza:

17x 4= 45x 9=
18 : 2= 45 :5=


2. afla nr. necunoscut:

13x a=39 12x a=36 14x a=32

3. Ana are 32 mere. ea da celor 4 prietene cate 8 mere. Cate mere i-au ramas Anei?


SUCCES

Answer 1

1) 17*4=68

45*9=405

18/2=9

45/5=9

2)13*a=39

a=39/13

a=3

12*a=6

a=36/12

a=3

14*a=32

a=32/14

a=5,12

3)8*4=32

32-32=0