文档介绍：12+15= 54-13= 16+35= 16+13=
12+15= 54-13= 16+35= 16+13=
82-79= 77-48=
6×6 = 90-14= 34+67=
49+15= 96-18=
17+16=
45+38=
69+19= 63-35= 58+7= 70-36= 37-29=
59+19= 61-35= 13+49=
46+24= 59+23=
39+34=
32+34= 39+26= 97-39= 39+35=
2×6=
8×8=
3×3=
8×6=
4×3=
7×8=
6×9=
3×9=
4×7= 5×5=
8×7=
67+14=
71-13=
53+8=
43+28=
24+19=
16+58= 46+39=
91-75=
26-14= 72-46=
46-27=
38+37= 28+62= 39+32=
45+15= 18+25= 48-14=
34-5=
16+78=
80-54=
39-16= 44+19=
24+18=
54+29=
42+29= 49+16=
28+28= 13+49=
23-18=
55-39=
73-39=
90-35=
45-38=
57+28=
5×6=
2×8=
9×3=
8×5=
4×3=
7×7=
5×9=
2×9=
1×7= 3×5=
73+19= 86-22=
36+22=
22+19=
89-39= 57-48= 96-77=
56+39= 48-39= 55+27= 86+2=
66-39=
25+28= 23+-19= 52+12=
22-28=
62-27= 14+27= 66+18=
69+18= 41-12= 76+18= 27+29=
94-56= 12+41= 44-18=
2Í6=
2×8=
5Í3=
8×5=
4Í3=
7×7=
5×9=
9Í9=
63-17=
29-28=
29-16= 15+69=
38＋4= 2×3= 3×6= 24＋26=
90－18= 72－18= 45－20= 6×6=
4×5= 40＋26= 23＋56= 78＋22=
2×3= 100－80= 97－9= 6×4=
6＋22= 5×3= 12＋67= 15＋34=
6×2= 31－2=