Matematică, întrebare adresată de Beatriceelena88, 8 ani în urmă

Va rog ajutați ma urgent. Dau coroana

Anexe:

Răspunsuri la întrebare

Răspuns de elakissup3bs9j
1
A) [275+(600-375)]:10:5=(275+228):10:5=500:10:5=50:5=10
B)2+6*[(24-24):24+144]-8=2+6*(0:24+144)-8=2+6*144-8=2+864-8=866-8=858
C)[(308:2-18):8+81]:2-48=[(154-18):8+81]:2-48=(136:8+81):2-48=(17+81):2-48=98:2-48=49-48=1
D)[(400:4+716):8+192]:2-144=[(100+716):8+192]:2-144=(816:8+192):2-144=(102+192):2-144=294:2-144=147-144=3
E)802-101+[110+2*(111+90)]=701+(110+2*201)=701+(110+402)=701+512=1213
F)5*[40+8*(40-36)]:(140:4+5)=5*(40+8*4):(35+5)=5*(40+32):40=5*72:40=360:40=9
G)200-5*[(72:9+36:6)+5*2]=200-5*[(8+6)+10]=200-5*(14+10)=200-5*24=200-120=80
H)19+19*[125+7*(12+45)-56]-1000=19+19*(125+7*57-56)-1000=19+19*(125+399-56)-1000=19+19*468-1000=19+8892-1000=7911
I)(80+360+0):(80:10*11)+96=440:88+96=5+96=101
J)6*(216+55)-[2484-4*(6+90)]:10=6*271-(2484-4*96):10=1626-(2484-384):10=1626-2100:10=1626-210=1416
K)[1225-(1000-600-100)]:(86+14-75)=(1225-300):25=925:25=37
L)[2450-(1860+2290-3600)]:(1765-1494-171)=(2450-550):100=1900:100=19
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