笔算练习 姓名:
57-28= 44-29= 61+19= 97-18= 78-69=
32+49= 19+59= 77-19= 69+17= 77-68=
22+46= 58+29 42+29= 28+68= 63+19=
66+26= 98-69= 33+39= 71-64= 73-54=
43-15= 87-38= 19+63= 94-27= 46-28=
21-19= 75-39= 55-38= 57+33= 87-38=
26+46= 21-19= 19+64= 88-29= 28+68=
53+37= 96-19= 86-37= 39+27= 26+68=
28-19= 27+35= 22-13= 69+13= 45-27=
53-39= 37-18= 43+19= 28+34= 26+44=
66+29= 24-18= 26-17= 32-19= 74-37=
31-15= 75-59= 29+35= 94-47= 66-57=
93-59= 44-27= 85-27= 90-67=