100以内纯进位、退位
42+39= 53+29= 92-37= 31-15= 27+55=
19+44= 25+67= 46+27= 85-26= 19+34=
18+66=
47+15=
93-57=
47+25=
84-49=
84-39=
27+55=
18+46=
60-47=
76-57=
44+27=
23-16=
17+79=
37-29=
30-17=
71-14=
69+26=
19+34=
94-35=
75-37=
82-48=
75-47=
93-25=
39+26=
25+57=
27+65=
46+37=
93-47=
26+45=
18+56=
28+27=
95-29=
52-26=
17+69=
94-45=
45+17=
85-59=
71-24=
85-36=
37-19=
53+39=
83-68=
35+28=
19+18=
26+45=
37-19=
18+46=
94-35=
18+56=
53+39=
93-57=
53+29=
61-34=
29+37=
27+49=
52-36= 61-24= 96-17= 15+68= 69+23=
69+13= 94-19= 37+26= 67-48= 79+19=
44+37= 29+14= 67-58= 83-58= 36+16=
75-47+57= 29+37+25= 60-47+79= 93-55+17=
93-55+17= 94-58+47= 86-59+66= 81-32+39=
47+28+18= 81-32+39= 63+28-68= 80-25-29=
73-14+34= 29+55-58= 63+18-69= 91-75+67=
63-38+66= 80-25-29= 91-75+67= 91-24+24=
100以内纯进位、退位
65-58= 85-18= 17+18= 73-57= 80-58=
76+19= 25+17= 52-33= 18+15= 25+49=
26+37= 34+48= 56-49= 69+18= 50-36=
24+29= 51-23= 72-59= 43-24= 42-14=
25+39= 64-48= 43-34= 18+38= 19+25=
91-42= 92-19= 51-13= 26+27= 13+78=
39+52= 27+14= 92-29= 90-24= 91-44=
91-22= 39+32= 50-16= 25+29= 66+16=
39+54= 26-17= 97-68= 43-14=
93-19= 56-29= 57-49= 66+26=
38+44= 90-34= 65+28= 25+19=
68+23= 35-16= 59+24= 40-19=
50-38= 71-52= 51-26= 71-62=
57-39= 42-27= 42-17= 91-44=
66+16= 59+14= 91-12= 18+18=
33-18= 41-29= 45-17= 61-37=
69+26-46= 79+12-13= 84-59+36=
93-57+17= 36+26-48= 52-26+26=
63-35+19= 32-15+65= 27+55-27=
59+14=
91-12=
18+18=
33-18=
41-29=
91-22=
68+23=
69+26=
93-57+17=
36+26-48=
70-36-16=
54+39-54= 18+79-59= 46-28+58= 63-35+19=
70-36-16= 55-16+13= 26+48+17= 65+18-24=
100以内纯进位、退位
91-14= 38+47= 90-37= 83-26= 81-38=
15+46=
76-68=
57+29=
91-24=
97-38=
66+28=
74+17=
48+18=
72-17=
71-49=
82-16=
81-28=
42-29=
97-48=
58+17=
91-14=
90-27=
55-19=
13+68=
64-38=
34-18=
40-32=
41-19=
65+18=
15+36=
81-38=
26-19=
80-48=
92-76=
71-29=
40-22=
97-28=
29+48=
38+57=
57+19=
70-45=
67+16=
48+28=
72-27=
56-17=
70-45=
74+17=
90-27=
26-19=
67+16=
76-68=
66+28=
63-18=
19+59=
86-39=
17+18= 70-52= 64-28= 87-49= 39+19=
70-62= 55-29= 39+42= 56-39= 71-39=
72-37= 70-42= 24+19= 63-18= 72-17=
19+59= 86-39= 39+19= 71-39= 72-37=
60-27= 16+36= 83-16= 91-27= 15+49=
35+18+38= 44-17+19= 51-18-16= 35+18+38=
48+36-36= 43+48-67= 51-37+49= 52-34+33=
52-34+33= 90-75+37= 74-55+62= 25+48-46=
25+48-46= 87-19+28= 45+36-23= 98-79+64=
98-79+64= 76-48+66= 37+27-16= 36+49-29=
100以内纯进位、退位
90-71= 53-37= 29+16= 62-46= 36+17=
52-27= 36+39= 70-44= 60-38= 76-48=
68-59= 45-16= 61-36= 44+28= 16+57=
76-58= 28+28= 60-48= 37+27= 37+37=
45-26= 44+38= 83-69= 36+49= 62-23=
53-14= 72+19= 38+14= 76-68= 45+48=
96-18= 61-26= 29+38= 70-34=
35+29= 62-13= 90-71= 36+17=
76-48= 16+57= 37+37= 62-23=
45+48= 28+18= 47+39= 72-25=
72-47= 64-36= 49+36= 64-26=
87-48= 39+17= 50-24= 32+39=
65-46= 56+37= 71-37= 72-57=
27+69= 47+29= 95-69= 24-17=
73-45= 48+16= 92-84= 12+79=
48+49= 80-46= 48+26= 31-19=
82-44+46= 84-19-16= 81-34+48=
28+18=
52-27=
53-14=
19+58=
80-56=
55+27=
73-35=
80-36=
94-59=
47+39=
82-44+46=
40-12+55= 85-57+16= 28+63-34= 40-12+55=
82-34+19= 25+18-24= 58+35-59= 50-36+79=
33+39-18= 33+49-16= 50-36+79= 33+39-18=
74-48+25= 67+24-14= 80-39-24= 60-13-19=
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