In their first year at school, most children learn to add and subtract.入学第一年, 多数孩子都学加减法。The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了.Please subtract a quarter of the money for your own use.请从你的零用钱中...
Subtract four from nine and you have five.九减四得五.The little girl has begun to learn to add and subtract.这小女孩已在学做加减法了.If you subtract 6 from 9, you will have 3.九减六等于三....