Question

calculeaza in mod convenabil a)2*1238*5= b)307*5*60= c)40*998+40*2= d)1000*5-999*5= (scrieti mai injos cum ati facut)*inseamna inmultirea

Answer 1

a) 2*5= 10
1238*10= 12380

Answer 2

2 x 1238 x 5 =(2 x5) x 1238 =10 x 1238 =12380
307 x 5 x 50 = (307 x 5) x 50 =1535 x 50 =7675 
 Imi pare rau ,trebuie sa ies ,atat am reusit sa rezolv.