求人教新课标一年级数学下学期口算练习题？

3+2=
5+1=
9+2=
10+0=
5+2

35+64 77+12 53+6 81-35 54+12 12-9 62-47 45+54 36-8 74+7 49-44 73-25 55+34 36+48 79-59 80-45 76-21 90-73 45-23 98-89 95-69 78+3 81-7 99-64 66-48 21+54 59-41 98-13 54+31 79-11