X+21=50, x-29=41, 36-y=1 как решить правельно
1.x+21=50 2.x-29=41 3.36-y=1 x=50-21 x=41+29 y=36-1 x=29 x=70 y=35
1) х+21=50 х=50-21 ×=29 _______ 29+21=50 50=50 2) х-29=41 ×=41+29 ×=70 ________ 70-29=41 41=41 3) 36-у=1 у=36-1 у=35 _______ 36-35=1 1=1