напишыте 4 уравнения на - и+ умножение и деление
x+2=5x-4=6x*2=8x/2=3
23-х=20, х+45=56, 81:х=9, 23*Х=46
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x+2=5
x-4=6
x*2=8
x/2=3
23-х=20, х+45=56, 81:х=9, 23*Х=46