Matematică, întrebare adresată de mateiraulianisp74gcs, 9 ani în urmă

cat fac : {140-[87x15-15x(1500:4+750:6):10+26]:(38x6-221)-3}:9
232+[48x25+(540xA-82x5)x10]:100=797
110+11:{10+100:[10+10x(10-10:a)]}-100=11
400+480:4-[680:X+4x(20+18+12)]=286
324+3x{386+[48+2x(5xA-16x5)]}=1866


Sper ca sunt corect copiate si daca le recunoasteti comentati cu tot cu raspun

DAU COROANA RAPID VA ROG

Răspunsuri la întrebare

Răspuns de elakissup3bs9j
3
{140-[1305-15x(375+125):10+26]:(228-221)-3}:9=[140-(1305-15×500:10+26):7-3]:9=[140-(1305-7500:10+26):7-3]:9=[140-(1305-750+26):7-3]:9=(140-581:7-3):9=(140-83-3):9=54:9=6


[1200+(540a-410)x10]:100=797-232
1200+(540a-410)x10=565x100
(540a-410)x10=56500-1200
540a-410=55300:10
540A=5530+410
A=5940:540
A=11


11:{10+100:[10+10x(10-10:a)]}=11+100-110
10+100:[10+10x(10-10:a)]=11:1
100:[10+10x(10-10:a)]=11-10
10+10x(10-10:a)=100:1
10x(10-10:a)=100-10
10-10:a=90:10
-10:a=9-10
A=10:1
A=10

120-(680:X+4x50) =286-400
-(680:x+200)=-114-120(-234)
680:x=234-200
X=680:34
X=20

3x{386+[48+2x(5a-80)]}=1866-324
386+[48+2x(5a-80)]=1542:3
48+2x(5a-80)=514-386
2x(5a-80)=128-48
5a-80=80:2
5a=40+80
A=120/5
A=24

mateiraulianisp74gcs: {10+[892-(79+21×104-4×178)÷(147-24×6)]÷5-40}÷9
elakissup3bs9j: {10+[892-(79+2184-712):(147-144)]:5-40}:9=
elakissup3bs9j: =[10+(892-1551:3):5-40]:9=
elakissup3bs9j: =[10+(892-517):5-40]:9=
elakissup3bs9j: =(10+375:5-40):9=
elakissup3bs9j: =(10+75-40):9=
elakissup3bs9j: =45:9=5
elakissup3bs9j: gata
mateiraulianisp74gcs: ms mult
elakissup3bs9j: cu plăcere
Alte întrebări interesante