Răspuns :
1.000-(432:4+278x2):4x5+714:7a=612:9
1.000-(108+556):4x5+714:7a=68
1.000-664:4x5+714:7a=68
1.000-166x5+714:7a=68
1.000-830+714:7a=68
170+714:7a=68
714:7a=68-170
714:7a=--102
7a=-714:102
7a=-7
a=-1
5+[16-(9:ax8+7)]x6=4:(1x2)+(3x3)
5+[16-(9:ax8+7)]x6=4:2+9
5+[16-(9:ax8+7)]x6=2+9
5+[16-(9:ax8+7)]x6=11
[16-(9:ax8+7)]x6=11-5
[16-(9:ax8+7)]x6=6
16-(9:ax8+7)=6:6
16-(9:ax8+7)=1
9:ax8+7=16-1
9:ax8+7=15
9:ax8=15-7
9:ax8=8
9:a=8:8
9:a=1
a=9x1
a=9
10x{a-10x[362+10x(24+14:4)]}=99+10:10
10x{a-10x[362+10x(24+3,5)]}=99+1
10x{a-10x[362+10x27,5]}=100
{a-10x[362+275]}=100:10
a-10x637=10
a-6370=10
a=10+6370
a=6380
315:(a-8)=5
(a-8)=315:5
a-8=63
a=63+8
a=71
277:a=3 rest.1
277=ax3+1
277-1=ax3
276=ax3
a=276:3
a=92
[ax9+(111-202:2)]x2=160
[ax9+(111-101)]x2=160
[ax9+10]x2=160
ax9+110=160:2
ax9+10=80
ax9=80-10
ax9=70
a=70:9
a=7,(7)
1.000-(108+556):4x5+714:7a=68
1.000-664:4x5+714:7a=68
1.000-166x5+714:7a=68
1.000-830+714:7a=68
170+714:7a=68
714:7a=68-170
714:7a=--102
7a=-714:102
7a=-7
a=-1
5+[16-(9:ax8+7)]x6=4:(1x2)+(3x3)
5+[16-(9:ax8+7)]x6=4:2+9
5+[16-(9:ax8+7)]x6=2+9
5+[16-(9:ax8+7)]x6=11
[16-(9:ax8+7)]x6=11-5
[16-(9:ax8+7)]x6=6
16-(9:ax8+7)=6:6
16-(9:ax8+7)=1
9:ax8+7=16-1
9:ax8+7=15
9:ax8=15-7
9:ax8=8
9:a=8:8
9:a=1
a=9x1
a=9
10x{a-10x[362+10x(24+14:4)]}=99+10:10
10x{a-10x[362+10x(24+3,5)]}=99+1
10x{a-10x[362+10x27,5]}=100
{a-10x[362+275]}=100:10
a-10x637=10
a-6370=10
a=10+6370
a=6380
315:(a-8)=5
(a-8)=315:5
a-8=63
a=63+8
a=71
277:a=3 rest.1
277=ax3+1
277-1=ax3
276=ax3
a=276:3
a=92
[ax9+(111-202:2)]x2=160
[ax9+(111-101)]x2=160
[ax9+10]x2=160
ax9+110=160:2
ax9+10=80
ax9=80-10
ax9=70
a=70:9
a=7,(7)
[tex]1000-(432:4+278*2):4*5+714:7a=612:9 \\
1000-(108+556):4*5+102a=68 \\
664:4*5+102a=1000-68 \\
166*5+102a=932 \\
830+102a=932 \\
102a=932-830 \\
102a=102 \\
\boxed{a=1} \\ \\
5+[16-(9:a*8+7)]*6=4:(1*2)+(3*3) \\
5+[16-(72:a+7)]*6=4:2+9 \\
5+[16-(72:a+7)]*6=11 \\
6[16-(72:a+7)]=6 \\
16-(72:a+7)=1 \\
72:a+7=15 \\
72:a=8 \\
\boxed{a=9} \\ \\
10*{a-10*[362+10*(24+14:4)]}=99+10:10 \\
10*{a-10*[362+10(24+3,5)]}=100 \\
10*[a-10*(362+10*27,5)]=100 \\
a-10*(362+275)=100:10 \\
a-10*637=10 \\
a-6370=10 \\
\boxed{a=6380}[/tex]
[tex]315:(a-8)=5 \\ a-8=315:5 \\ a-8=63 \\ a=63+8 \\ \boxed{a=71} \\ \\ 277:a=3~rest~1 \\ 277=3a+1 \\ 3a=277-1 \\ 3a=276 \\ \boxed{a=92} \\ \\ \([9a+(111-202:2)]*2=160 \\ 9a+(111-101)=160:2 \\ 9a+10=80 \\ 9a=80-10 \\ 9a=70 \\ \boxed{a=7,(7)}[/tex]
[tex]315:(a-8)=5 \\ a-8=315:5 \\ a-8=63 \\ a=63+8 \\ \boxed{a=71} \\ \\ 277:a=3~rest~1 \\ 277=3a+1 \\ 3a=277-1 \\ 3a=276 \\ \boxed{a=92} \\ \\ \([9a+(111-202:2)]*2=160 \\ 9a+(111-101)=160:2 \\ 9a+10=80 \\ 9a=80-10 \\ 9a=70 \\ \boxed{a=7,(7)}[/tex]
Vă mulțumim pentru vizita pe platforma noastră dedicată Matematică. Sperăm că informațiile prezentate v-au fost utile. Dacă aveți întrebări sau aveți nevoie de suport suplimentar, nu ezitați să ne contactați. Așteptăm cu entuziasm să reveniți și vă invităm să ne adăugați la lista de favorite!