(完整版)北师大版二年级数学上册口算

100-89+8= 99-39+3= 23+36+18=
42-17+28= 69+2-4= 88-56+13=
56-19+28= 71-42+41= 65-18-9=
36+4-24= 19-4+50= 78-23-16=
55+15-54= 33+59-3= 65+18-27=
40+27-37= 65-28-12= 33+18+29=
54-34+3= 42+29+24= 17+36+42=
95-60+60= 37-28+45= 98-32-46=
45+30-21= 55+26-67= 90-42-18=
64+19-60= 83-66+34= 52+48-72=
65+28-43= 84-65+24= 82-48-17=
34+27-55= 18+23+54= 35+57-29=
49-18-4= 54+23-61= 64-27-19=
78+22- 99= 96-31-25= 4
39+40-43= 88-65+23= 87-59+23=
55+23-18= 54-18-15= 76-48+35=
98-36-21= 56-32+46= 100-89+37=
84-56-17= 65+32-18= 74+13-56=
100-64+15= 100-32-42= 89-38+36=
83-27-35= 58+13-25= 52-36+47=

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64-19+25= 71-36+19= 81-66+48=
38+27+16= 84-33-28= 59+15-28=
45+18+27= 62+29-66= 70-48+19=
92-28-36= 95-25-57= 46+39-27=
55+38-25= 65+16-53= 72-43+23=
80-38-27= 79+16-47= 28+72-61=
54+9+18= 92-16-48= 92-69+38=
99-74+36= 96-69+22= 84-37-39=
90-25-36= 89+11-49= 91-68+27=
54+36-48= 63-37+45= 81-66+59=
74-26-25= 16+78-29= 65-36+25=
77-36+29= 93-57-12= 58+13-49=
83-16-28= 93-40+18= 27+35+19=
53-18+35= 73-28+47= 91-33-26=
83-26-38= 57+37-28= 89-56+47=
38+43+16= 25+16+28= 71-18-28=
95-47+13= 75+19-42= 48+23-58=
92-69+55= 61+37-49= 30+42-47=
55+36-42= 14+67-55= 35-17+58=
28+25+24= 64-57+43= 26+74-86=
27+28+38= 35+24-34= 92-14-39=
63-42-13= 66-49+57= 95-36+29=
90-49-25= 23+48-52= 84-68+15=
22+19427= 77-36-29= 93-16-28=
26+11+43= 75+17-86= 53-18+47=

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983s=16-67= 36+59-29= 74-25-28=

80-46-25= 24-16+43= 19+43+29=
97-26-44= 80-26-37= 81-36+19=
26+37+18= 28+24+39= 91-25-57=
49+28+16= 73-55+33= 62+29-86=
82-64-15= 32+58-62= 65+16-53=
26+65-19= 27+36+22= 91=72+18=
85-46-38= 29+48-69= 66-37-16=
7+34+15= 46-27+51= 76-67+39=
862+19-67= 4+27-24= 96-69+22=
29+28-48= 80-64+18= 93-57-12=
35=17+25= 73-48-16= 93-44+18=
90-41-25= 7+58-47= 63-37+45=
3+44+38= 21+59-23= 6+78-29=
28+25+24= 00-38-25= 35+28-24=
27+38+15= 90-38-40= 54+33-79=
49+28-32= 83-25+35= 48+53-43=
3+44+38= 57+43-69= 94-26-39=
90-41-25= 96-27+25= 29+24+27=
7+34-26= 7+58-47= 76-67+39=
652+19-67= 21+59-23= 29+32-27=
26+65-19= 73-48-16= 5+57-46=
35+24-36= 80-64+18= SI1=72+18=
45+46-53= 61-56+38= 00-56-18=

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