二年级竖式计算(19.09.10)
15+26-19= 99-55+33= 18+22-32= 16-7+55=
35-17+23= 56-48+41= 47-35+27= 59-47+31=
18+46-33= 35+29-25= 75-+22= 88-46+25= 56-17+26= 99-23-26= 78-39+27= 17+58-29= 16+26-34= 29+47-46= 56+8-52= 66-33+41= 45+5-13= 65+8-29= 56+7-43= 59+4-39= 22-6+42= 56-49+29=
78-59+39=
62-48+28=
8+27-33=
33+17+19=
65+13+9=
10+3+54=