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50以口算练习一
班级 分数_____
26+9= 35+8= 17+13= 16+16= 29+15=
37+9= 7= 40-4 = 14+26 = 36-19= 14+〔 〕=48
15+25= 36-18= 44-7 = 22+18 = 〔 〕+18=32
18+26= 34-10 = 18+18= 34-9= 〔 〕-12=30
7+25= 34-4= 11+39 = 31-16= 〔 〕-8=28
17+12 = 35-8= 16+13= 25+8= 〔 〕+15=38
9+22= 8+24= 27+15= 6+26= 35+6=
50-49= 40-18= 32-7= 30-16= 33-25=
9+14=
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27+18= 17+27= 16+5= 25+17=
32-19= 26-18= 50-27= 40-16= 45-15=
19+16= 28+8= 27+16= 36+8= 35+8=
26-19= 31-18= 43-27= 50-16= 22-15=
9+28= 15+18= 17+24= 16+19= 5+29=
43-19= 23-8= 14+17= 32-16= 24-15=
9+30= 29+18= 17+28= 36+7= 4+29=
33-19= 42-8= 26-17= 33-16= 35-5=
50以口算练习三
班级 分数_____
24-19= 35-18= 47-10= 42-3= 30-24=
29-13= 42-14= 13-4= 11-2=
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14-10=
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= 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=
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