x-1=12+3*0 х-1=12 х=12+1 х=13
9×1000=9000
9000/3600=2.5 м/с
82213*3-12240:3=246639-4080=242559
1 3 2
(40179-15395:5)*4=
2 1 3
(40179-3079)*4=37100*4=148400
1]х+300=600:2
х+300=300
х=300-300
х=0
------------------------------------------
2*[300+0]=600
600=600
2]800:у=500+300
800:у=800
у=800-800
у=0
-------------------------------
3]а+200=400*2
а+200=800
а=800-200
а=600
-------------------------------
4]а=92-81
а=11
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