Question

a)(306:3+87-12)x0=

b)50+50:50-50=

c)(23+23x23):23=

d)12x10:6-(200-20):9+36:18-2=

e)255:(65-50)-(80:4-256x0):2=

f)30+5x{32:8+5x[40+8x(200:5-72:2)]}=

g)(78x10+105):(480-450)x25-774=

Va rog sa ma ajutati , dau coroana!

Answer 1

a) 0 (totul e înmulțit cu 0)
b)50+1-50=1
c) (23+529)÷23=552÷23=24
d)120÷6-180÷9+2-2=20-20+2-2=0
e)255÷5-(20-0)÷2=51-10=41
f)30+5×{4+5×[40+8× (40-36)]}=30+5×[4+5×(40+8×4)]=30+5×(4+5×72)=30+5×364=30+1820=1850
g) (780+150)÷30×25-774=930÷30×25-774=31×25-774=775-774=1