Răspuns:
a)35×(45+57)=35×102=3570
721×(240+760)=721×1000=721000
b)24×(37-32)=24×5=120
692×(453-433)=692×20=13840
c)4×(35+52+13)=4×100=400
15×(9+6+5)=15×20=300
d)12×(91-44-17)=12×30=360
113×(58-15-43)=113×0=0
e)33×(44+55-99)=33×0=0
51×(27+34-51)=51×(-10)=-510
f)64×(123-11+88)=64×200=12800
304×(210-150+940)=304×1000=304000
Sper sa fi facut bine daca vrei mai verifica calculele!!
Succes la scoala