31-17= 27+16= 35-18= 40-15= 45-30=
42-17= 41-22= 32+15= 32-18= 43-7= 38-19= 33-18= 14+18= 31-14= 36-18= 33-16= 25+16= 28+6= 28+15= 25+14=
37-19= 18+16=
42-18= 31-15=
25+19= 40-14=
31-16= 33-14=
37-8= 43-9=
20+13= 42-25= 46-19= 40-36= 44-25= 31-9= 45-40= 30-16= 23-14= 34-7=
45-26= 36-19= 39-36= 47-45= 40-19= 32-17= 37-19= 23+18= 31-15= 41-25=
33-16= 31-18= 41-19= 32+8= 40+8=
28-6= 42-25=
33-24= 40-16=
40-4= 41-16= 32-30=
30-17= 17+16=
35+4= 28+9= 36-18= 49-6= 50-19= 33-12= 46-38= 30-15= 29-16= 37-18= 31+8=
42-24= 32-16= 33-15= 18+23= 42-35=
45-19= 19+16= 28-19= 27+19=
50以内口算练习九
班级 姓名 _____ 35-23= 40-24= 31-27= 40-29=
47-39= 32+19= 32-16= 37-10=
50-15= 分数 43-25= 28-13= 33-14= 25-17= 30-16= 33-11= 26-9=
14-4= 48-15= 32-15= 30-15= 40-8= 30-8=
28+9= 30-16= 41-7= 32-24= 11+27= 30-15=
38-19= 32-15=
39-12=
42-3= 20-8= 35-18= 37-28=
32-13= 32-5=
24-19= 28-9= 34-9= 25-8= 28-19= 35+4= 42-36= 39-4= 42-23= 31-17= 36-19= 27-8= 31-16= 41-26=
33-14= 37-8= 28-19= 26-9= 34-9=
43-24= 36-29=
24-5= 35-19=
21-7= 24-9=
35-8= 21-17=
40-9= 34-6=
35-7= 24-15= 30-5= 32-21= 46-10= 30-16= 32-15= 38-9= 22-13= 37-8= 30-25= 31-24= 33-17= 32-15= 50-1=
50以内口算练习
