10+45-4*8+8:4
312+154
679-345
х+346=528
х:12=93
12*х=408
543+326
с-108=861
а*4=332
990-185
709-z=81
y-223=390
183:c=61
12*b=768
567-358
244-f=58
у*52=156
170+245
472-263
225:b=25
z:6=15
613-489
x:8=111
118+b=467
140-81
36:z=18
y:10=5
a:13=6
10+45-4*8+8:4
312+154
679-345
х+346=528
х:12=93
12*х=408
543+326
с-108=861
а*4=332
990-185
709-z=81
y-223=390
183:c=61
12*b=768
567-358
244-f=58
у*52=156
170+245
472-263
225:b=25
z:6=15
613-489
x:8=111
118+b=467
140-81
36:z=18
y:10=5
a:13=6