50以内口算练习一
日期用时分数_____
47-10= 42-3= 30-24= 4-10=
29-13= 42-14= 13-4= 11-2=
24+18= 25+17= 32+9= 7+25=
18+26= 44-6= 32-15= 41-25=
33-28 35-26= 7+17= 9+29=
39+6= 8+25= 38+9= 21-15=
42-36= 34-19= 46-9= 45-8=
40+7= 16+16= 18+18= 19+30=
17+27= 14-8= 25-6= 46-9=
50以内口算练习二
日期用时分数_____
27-18= 48-29= 9+19= 7+25=
8+36= 5+39= 43-8= 17-10=
36-10= 46-20= 36-30= 46-40=
10+40= 10+20= 10+30= 19+24=
17+25= 20-10= 29-1= 39-2=
49-3= 49-14= 28-15= 30-16=
38-27= 48-38= 28-9= 27-15=
37-26= 47-7= 37-28= 27-19=
26-2= 16-3= 36-4= 46-5=
50以内口算练习三
日期用时分数_____
36-6= 16-10= 35-1= 45-20=
35-30= 25-4= 20+7= 22+8=
24+9= 25+10= 28+11= 15-10=
44-18= 40-22= 34-3= 24-4=
12+16= 13+17= 31+18= 21+19=
25+20= 23-15= 39-26= 40-17=
49-18= 49-29= 20+12= 22+13=
24+14= 25+15= 26+16= 25-5=
35-6= 45-27= 35-18= 25-9=
50以内口算练习四
日期用时分数_____
48-10= 47-18= 27-20= 37-30=
37-14= 23+17= 32+18= 43+3=
43+4= 43+5= 49-10= 38-12=
48-28= 38-33= 28-4= 30+16=
33+17= 44+4= 24+15= 40+6=
33-25= 23-16= 43-17= 30-18=
32-9= 43+7= 42+8= 24+9=
34+10= 24+11= 43-10= 32-11=
42-20= 42-40= 32-5= 34+12
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