两位数减一位数和整十数,人教版一年级数学下册,4元,3元,2元,10元,20元,10元,30元,30元,35 - 2 =,35 - 2 =,(元),33,先算: 5 2 = 3,再算: 30 + 3 = 33,35 - 20 =,35 - 20 =,先算: 30 20 = 10,再算:10 + 5 = 15,15,(元),36.00元,39-5=,93-80=,58-6=,75-20=,46-6=,买气球,26-5=,72-40=,21,34,55,52,13,40,32,拓展练习:( )里可以填什么数?,45-( )=43 39-10( ) 95-( )55 64-( )=84-( ),这节课你们表现的这么出色,学得又都很认真,肯定有不少收获吧!能把你的收获说给大家听听吗?,