completeaza casetele goale

Completeaza Casetele Goale class=

Răspuns :

4 x 39 = 4 x (30 + 9) = 4 x 30 + 4 x 9 = 120 + 36 = 156

98 : 7 = ( 91 + 7) : 7 = 91:7 + 7:7 = 13 + 1 = 14