Question

[12+3×(16:f:4)×3]:7:3=1
[(60+g:6)×10-10]:10-6=54
(340+26×h:4+47):100-3=1
22-[59+2×(5+7×i)-1]:9=2
9+3×[4+5×(6+7×j)]-90=860
8+1×[8+8×(8+8×k)]+308=900
(1478-1125+l×2):7×4=500
17-4×[6-3×(m:4-15)]+95=100
627+4×[63-(17-n×3)]=835
160-477:[5-4:(8-o:1)]=1

Dau coroană

Answer 1

[12+3×(16:f:4)×3]:7:3=1
[12+3×(16:f:4)×3]:7=1×3
[12+3×(16:f:4)×3]:7=3
12+3×(16:f:4)×3=3×7
12+3×(16:f:4)×3=21
3×(16:f:4)×3=21-12
3×(16:f:4)×3=9
3×(16:f:4)=9:3
3×(16:f:4)=3
16:f:4=3:3
16:f:4=1
16:f=1×4
16:f=4
f=16:4
f=4


[(60+g:6)×10-10]:10-6=54
[(60+g:6)×10-10]:10=54+6
[(60+g:6)×10-10]:10=60
(60+g:6)×10-10=60×10
(60+g:6)×10-10=600
(60+g:6)×10=600+10
(60+g:6)×10=610
60+g:6=610:10
60+g:6=61
g:6=61-60
g:6=1
g=1×6
g=6


(340+26×h:4+47):100-3=1
(340+26×h:4+47):100=1+3
(340+26×h:4+47):100=4
340+26×h:4+47=4×100
340+26×h:4+47=400
340+26×h:4=400-47
340+26×h:4=353
26×h:4=353-340
26×h:4=13
h:4=26:13
h:4=2
h=2×4
h=8

22-[59+2×(5+7×i)-1]:9=2
[59+2×(5+7×i)-1]:9=22-2
[59+2×(5+7×i)-1]:9=20
59+2×(5+7×i)-1=20×9
59+2×(5+7×i)-1=180
59+2×(5+7×i)=180+1
59+2×(5+7×i)=181
2×(5+7×i)=181-59
2×(5+7×i)=122
5+7×i=122:2
5+7×i=61
7×i=61-5
7×i=56
i=56:7
i=8

8+3×[4+5×(6+7×j)]-90=860
8+3×[4+5×(6+7×j)]=860+90
8+3×[4+5×(6+7×j)]=950
3×[4+5×(6+7×j)]=950-8
3×[4+5×(6+7×j)]=942
4+5×(6+7×j)=942:3
4+5×(6+7×j)=314
5×(6+7×j)=314-4
5×(6+7×j)=310
6+7×j=310:5
6+7×j=62
7×j=62-6
7×j=56
j=56:7
j=8

8+1×[8+8×(8+8×k)]+308=900
8+1×[8+8×(8+8×k)]=900-308
8+1×[8+8×(8+8×k)]=592
1×[8+8×(8+8×k)]=592-8
1×[8+8×(8+8×k)]=584
8+8×(8+8×k)=584:1
8+8×(8+8×k)=584
8×(8+8×k)=584-8
8×(8+8×k)=576
8+8×k=576:8
8+8×k=72
8×k=72-8
8×k=64
k=64:8
k=8

(1478-1125+l×2):7×4=500
(353+l×2):7=500:4
(353+l×2):7=125
353+l×2=125×7
353+l×2=875
l×2=875-353
l×2=522
l=522:2
l=261

17-4×[6-3×(m:4-15)]+95=100
17-4×[6-3×(m:4-15)]=100-95
17-4×[6-3×(m:4-15)]=5
4×[6-3×(m:4-15)]=17-5
4×[6-3×(m:4-15)]=12
6-3×(m:4-15)=12:4
6-3×(m:4-15)=3
3×(m:4-15)=6-3
3×(m:4-15)=3
m:4-15=3:3
m:4-15=1
m:4=1+15
m:4=16
m=16×4
m=64

627+4×[63-(17-n×3)]=835
4×[63-(17-n×3)]=835-627
4×[63-(17-n×3)]=208
63-(17-n×3)=208:4
63-(17-n×3)=52
17-n×3=63-52
17-n×3=11
n×3=17-11
n×3=6
n=6:3
n=2

160-477:[5-4:(8-o:1)]=1
477:[5-4:(8-o:1)]=160-1
477:[5-4:(8-o:1)]=159
5-4:(8-o:1)=477:159
5-4:(8-o:1)=3
4:(8-o:1)=5-3
4:(8-o:1)=2
8-o:1=4:2
8-o:1=2
o:1=8-2
o:1=6
o=6×1
o=6