足たし算ざんと引ひき算ざん、すなわち加減かげんを学まなぶ。
Tashizan to hikizan, sunawachi kagen o manabu.
To learn addition and subtraction, in other words, the basic arithmetic operations.
体調たいちょうの加減かげんが悪わるい。
Taichou no kagen ga warui.
My physical condition (adjustment) is poor.