dau coroana si multumesc
Anexe:
Clara0220:
pai si coroana promisa?
Răspunsuri la întrebare
Răspuns de
1
a:a+a+a-a:a=12
a:a+2a-a:a=12
a+2a-a=12
3a-a=12
2a=12
a=12:2
a=6
proba: 6:6+6+6-6:6=1+6+6-1=7+6-1=13-1=12
ax3+ax2+ax4=189
a(3+2+4)=189
ax9=189
a=189:9
a=21
sau
ax3+ax2+ax4=189
5a+4a=189
9a=189
a=189:9
a=21
proba:21x3+21x2+21x4=63+42+84=105+84=189
ax12-ax4=128
a(12-4)=128
ax8=128
a=128:8
a=16
sau
ax12-ax4=128
8a=128
a=128:8
a=16
proba: 16x12-16x4=192-64=128
a:a+2a-a:a=12
a+2a-a=12
3a-a=12
2a=12
a=12:2
a=6
proba: 6:6+6+6-6:6=1+6+6-1=7+6-1=13-1=12
ax3+ax2+ax4=189
a(3+2+4)=189
ax9=189
a=189:9
a=21
sau
ax3+ax2+ax4=189
5a+4a=189
9a=189
a=189:9
a=21
proba:21x3+21x2+21x4=63+42+84=105+84=189
ax12-ax4=128
a(12-4)=128
ax8=128
a=128:8
a=16
sau
ax12-ax4=128
8a=128
a=128:8
a=16
proba: 16x12-16x4=192-64=128
Răspuns de
1
a) a:a+a+a-a:a=12
1+a+a-1=12
1+2a=13
2a=12
a=6
b)ax3=ax2+ax4=189
3a+2a+4a=189
9a=189
a=21
c)ax12-ax4=128
12a-4a=128
8a=128
a=16
coroana?
1+a+a-1=12
1+2a=13
2a=12
a=6
b)ax3=ax2+ax4=189
3a+2a+4a=189
9a=189
a=21
c)ax12-ax4=128
12a-4a=128
8a=128
a=16
coroana?
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