Răspuns :
3. 71 x 8 =568
4. 84:4= 21 de km intr-o ora. Atunci 21 x 3= 63 de km in 3 ore
5. (8 x 31)+(6 x 41)= 248+246=494 cubui total
4. 84:4= 21 de km intr-o ora. Atunci 21 x 3= 63 de km in 3 ore
5. (8 x 31)+(6 x 41)= 248+246=494 cubui total