小学数学口算练习题77-46+32=65-38+26=79+19-56=56+74-26= 58-36+27=84-27+16=4+27-16 =93+23+94=69-(39-23) =99+(25-24)=77-76+32=61-38+26=79+19-16=16+77-26=18-36+27=87-27+16=30+(23-29) =73-23-4 =93-(39-23) =71- ( 25-24 ) =99-46+32=65-39+26=99+99-56=56+94-26=59-36+29=94-29+96 =30-(23-29) =93-23+94=33-(39-23)=99- ( 25-24 ) =99-96+32=69-39+26 =99+99-96 =96+99-26= 99-36+29 =99-29+96=30+23+29 =23+23+94=93-(39-23) =99-(99-29)=55-46+22=65-28+26=58+18-56=56+54-26=99-46-32=65-39-26 =99-99+56 =56-94-26= 59-36-29 =94-29-96=93-23-94 =33-(39-23)=99-(25-24)=30-(29-23)= 99-96-32=69-39-26 =99-99+96 =96-99-26=99-36-29 =99-29-96 =23-23-94 =93-(39-23)=99-(99-29)=25 -4-16=55-46-22 =65-25-26 =55-15+56 =56-54-26= 55-26-25=54-25-16=52+22-54=65-(25-22)=55-(25-24)=20-(25-22)=55-56-22 =61-25-26=55-15-16 =16+55-26= 15+26-25 =55-25