文档介绍：62+15=
5x4=
73-26=
8x4=
74-18=
7x3=
63+28=
8x2=
6x3=
85-36=
38+57=
4x7=
34+49=
9x4=
36-17=
8x9=
83-67=
3x3=
47+28=
7x2=
6x7=
75-37=
42+57=
8x7=
46+36=
6x5=
89-23=
3x9=
54-28=
2x3=
36+48=
6x6=
8x3=
96-58=
14+29=
5x7=
28+69=
4x4=
86-34=
9x9=
75-37=
4x10=
45+25=
3x7=
9x7=
78-39=
64+36=
7x7=
5x3=
54-18=
43+59=
8x7=
43+45=
8x8=
96-68=
7x9=
63-26=
5x2=
76+19=
3x7=
8x3=
68-49=
48+34=
7x2=
3x6=
93-67=
58+16=
9x2=
100-28=
45+36=
43+29+11=
77-38=
8x6=
56+38-35=
54+17=
47-8=
95-26-43=
75-48=
57+29=
53+13+28=
89-33=
4x9=
72+28-37=
44+29=
54-28=
83-47-33=
76-28=
76+27=
49+38+13=
95-68=
4x6=
46+53-35=
47+15=
73-46=
100-56-16=
63-36=
38+24=
25+39+28=
74-35=
4x8=
54+35-23=
63+19=
62-45=
87-49-13=
32+45=
85-36=
78-26-34=
94-67=
68+35=
69+14+18=
68-24=
3x8=
44+37-54=
38+47=
93-54=
75-57+69=
53+29=
84-38=
95-58+57=
9X7 2X8 8X7 3X7 9X3 2X9 3X2 5X7 5X8 9X9 2X7 6X4 2X4 8X2 3X3 5X6 8X3
39
49+38
27+25
69+17
88-69
34+27
64+18
48+37
43-28
36+56
97-59
28+26
94-48
37
53+28
46+45
58+19
100-39 78-23 35+48
29 53-27 33+58 67-28
37 51+48 66+33 93-39 74-36
28 27+35 56-27
59
46
9X6= 3X5= 3X6= 7X4= 8X6= 8X9= 7X7= 9X4= 5X4= 2X4= 8X8= 9X5= 7X5= 4X4=
4X6= 5X2= 1X6=
2X2= 3X4= 7X2= 8X4= 7X8= 2X6= 6X3= 6X6= 9X8=2X6= 7X3= 8X5= 6X7= 6X9= 4X7= 7X4= 7X9=
6X5= ( ) X5=20 6X2= 5X ( )=35 5X7= ( ) X3=15 3X8= ( ) X8=32 5X3= 5X ( )=30 4X2= 9X ( )=27 5X4= ( ) X2=6 2X5= ( ) X3=21
7X6=
8X8=
9X2=
6X8=
5X6=
3X9=4X9= 4X3= 2X3=
6X8+47= 85-39+26= 54-16+45= 87-35-24=
46+16+37=
27+38+9= 42+34+17= 67-38+13= 71-58+15= 58+16-19= 100-25-46= 73-38+27= 74+19-64= 6X ( )=18 45-(7X4) = ()X2=12 3X ( )=24 ()X5=25 ()X4=28 8X ( )=16 34-(3X7) = 6X ( )=24 83-54+36= 3X ( )=12 76-59+28 3X ( )=9
45
34+28
57+35
56+48
68-19
42+39
44+49
38+57
76-37
93-58
36+26
49+37
48
56-19
23+58
53+39
28+59
67-23 100-47 25+68 43-29 73-37 65+39 77-29 94-67 58+28 69+29 64-46 53-3