Răspuns :
Răspuns:
2.(5+1+2) x 9 =8x9=56
3. 8x(7-3)=8x4 = 32
4. 10x(4+3-2)= 10x(7-2)=10x5=50
5.3x(9-4)=3x5=15
Răspuns:
2ex. (6+2)×9
8×9 =72
3 ex. 7-3=4×8=32
4ex. 3-2=1+4=5×10=50
5ex. 9-4=5×3=15
Răspuns:
2.(5+1+2) x 9 =8x9=56
3. 8x(7-3)=8x4 = 32
4. 10x(4+3-2)= 10x(7-2)=10x5=50
5.3x(9-4)=3x5=15
Răspuns:
2ex. (6+2)×9
8×9 =72
3 ex. 7-3=4×8=32
4ex. 3-2=1+4=5×10=50
5ex. 9-4=5×3=15