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154+543
=697
98 x 3
294
20:4
5
x+5=12
x=7
=-3
23x4
=92
42x18
756
234:3
78
x+6=16
x=10
-6x-2
=12
30/5
6
864x4
216
108:12
9
x-12=15
x=27
6:3x-4
=0
7396
54x12
648
372 : 6
62
x=7*3
x=21
3x+2
=14
532x3
=1596
156x7
1092
1.456 : 4
2x+5=17
x=6
4²:2x-2
=0