Question

Afla numerele necunoscute 93-(85-9x9+5x8)-c=5x6+1, (242+360:10-214):(80:5-4x2)xd=1000, 94+[(:402:2+5xe)x2+8]:5=184, 500-[(16x18-192:f):7+14x5+10]:4x7+5=299, 6+[15-(8:ax7+7)]x5=8:(1x4)+3x3.

Answer 1

93-(85-9x9+5x8)-c=5x6+1
93-(85-81+40)-c=30+1
93-(4+40)-c=31
93-44-c=31
49-c=31
c=49-31
c=18

(242+360:10-214):(80:5-4x2)xd=1000
(242+36-214):(16-8)xd=1000
(278-214):8×d=1000
64:8×d=1000
8×d=1000
d=1000:8
d=125


94+[(402:2+5xe)x2+8]:5=184
94+[(201+5xe)x2+8]:5=184
[(201+5xe)x2+8]:5=184-94
[(201+5xe)x2+8]:5=90
(201+5xe)x2+8=90×5
(201+5xe)x2+8=450
(201+5xe)x2=450-8
(201+5xe)x2=442
201+5xe=442:2
201+5xe=221
5×e=221-201
5×e=20
e=20:5
e=4


500-[(16x18-192:f):7+14x5+10]:4x7+5=299
500-[(288-192:f):7+70+10]:4×7+5=299
500-[(288-192:f):7+80]:4×7+5=299
[(288-192:f):7+80]:4×7+5=500-299
[(288-192:f):7+80]:4×7+5=201
[(288-192:f):7+80]:4×7=201-5
[(288-192:f):7+80]:4×7=196
[(288-192:f):7+80]:4=196:7
[(288-192:f):7+80]:4=28
(288-192:f):7+80=28×4
(288-192:f):7+80=112
(288-192:f):7=112-80
(288-192:f):7=32
288-192:f=32×7
288-192:f=224
192:f=288-224
192:f=64
f=192:64
f=3


6+[15-(8:ax7+7)]x5=8:(1x4)+3x3
6+[15-(8:ax7+7)]x5=8:4+9
6+[15-(8:ax7+7)]x5=2+9
6+[15-(8:ax7+7)]x5=11
[15-(8:ax7+7)]x5=11-6
[15-(8:ax7+7)]x5=5
15-(8:ax7+7)=5:5
15-(8:ax7+7)=1
8:ax7+7=15-1
8:ax7+7=14
8:ax7=14-7
8:ax7=7
8:a=7:7
8:a=1
a=8:1
a=8