Question

va rog cat mai repede​

Answer 1

2.

600-{1008:[38-21:(21-14)+728:104]}•14=

600-[1008:(38-21:7+7)]•14=

600-[1008:(38-3+7)•14=

600-[1008:(35+7)•14=

600-(1008:42)•14=

600-24•14=

600-336= 264

3.

[(4/3-1/3)•(7/8+1+1/8)+4]•x=120:3-2•(7/2+3/2)

[1•(7/8+9/8)+4]•x=40-2•5 {adica 10/2}

(1•2+4)•x=40-10

(2+4)•x=30

6•x=30

x=30:6

x=5

4.

4 muncitori..............6 zile,daca lucreaza 8 ore pe zi

4 muncitori..............6•8=48 ore termina

1 muncitor................48:4=12 ore termina

8 muncitori...............12•12=144 ore (6 zile)

5.

a+b+c=1603

c=b×3+16

a= bcd i se pune in fata 1 se obtine un numar mai mic cu 2069 cu rasturnatul sau

srry dar nu o stiu pe 5...Srry dar sper ca te.am ajutat..!!