Răspuns :
1. (3+6+9+12):3
(3:3)+(6:3)+(9:3)+(12:3)
1+2+3+4=10
2. 29×37 : 29
(29:29)×37
1×37=37
3. 25×38:19:25
(25:25)×(38:19)
1×2=2
4. 51×14:21:17
714:21:17
34:17 =2
Răspuns:
Explicație pas cu pas:
1. (3+6+9+12) : 3=
3:3 +6:3+9:3+12:3=
1+2+3+4=10
2. 29x37:29=
29 : 29 x37=
1x37=37
3. 25x38x:19:25=
25 : 25 x38 :19=
1 x2 =2
4. 51x14:21:17=
51 :17 x 14 : 21=
3 x2 :3 =
3 : 3 x2=
1x2=2
Succes !!