文档介绍：47+53=
6× 5 =
7× 5 =
52+39=
1× 8 =
2× 9 =
27+53=
2× 5 =
15+19=
8× 5 =
76－43=
56－26=
9× 5 =
74+18=
87－56=
8× 7 =
60－46=
7× 5 =
7× 2 =
77－25＝
53+46=
1 / 24
52+17=
24－2× 5 =
87－7+20=
45－11+8 =
38+56=
57－18=
2× 4 =
6× 9 =
49+16=
33+53=
46+3=
3× 4 =
58－21＝
49－8＝
3× 1 =
75－56=
4× 3 =
91－66=
6× 5 =
52－7＝
32+47＝
2 / 24
6× 5 =
4× 4 =
7× 6 =
6× 9 =
43－22＝
42－7－30＝
38+25+10＝
76-36+15＝
63－59=
35－22＝
79－75＝
9× 7 =
9× 1 =
52+27＝
43+20＝
9× 3 =
29+39=
6× 3 =
8× 6 =
85－36=
64－25=
3 / 24
1× 1 =
47－9＝
36－11＝
1× 4 =
8× 6 =
36+56=
3× 3 =
6× 5 =
78－5＝
70+27＝
76－3× 1 =
92－4× 3 =
4× 6 =
7× 3 =
55+29=
54+28=
9× 7 =
2× 6 =
26+30＝
60+32＝
2× 2 =
4 / 24
29+67=
56+24=
98－46＝
26－15＝
7× 1 =
5× 3 =
9× 6 =
69－18＝
8× 2 =
3× 6 =
66-36=
86－13＝
49－7＝
8+5＝
41－27－13=
22+（12+14）＝
4× 7 =
7× 3 =
84+3=
68－60=
4× 4 =
5 / 24
7× 5 =
66－39=
44+29=
16+13=
4+6=
6× 3 =
6× 6 =
72－59=
56+25=
6× 7 =
62+15=
54－13=
6× 8 =
75－55=
71－43=
6× 9 =
8× 5 =
81+1+6=
39+18+2=
45+22－19=
5× 6 =
6 / 24
7× 4 =
59+25=
51－39=
9× 7 =
2× 4 =
34+33=
17+49=
6× 7 =
7× 2 =
72－52=
8× 6 =
53+11=
63－2=
40+29=
6× 4 =
85－39=
56+26=
7× 5 =
4× 2 =
83－30=
56－44=
7 / 24