文档介绍：99+99-56 =
7x ( 45-5 )=
6x8 + 5 =
4x6 + 7 =
2019 年_月 日 星期
(75 - 18 ) x?=
99+ ( 25-24 )=
42-6x7 =
69-39+26=
938 =
68-28+26=
(42 + 30 ) x2 =
99- ( 99-29 )=
10 + 5x4 =
2019 年_月 日 星期
30-(23-29)=
8x7 - 55 =
86+88-26 =
60-10 + 99 =
50 + 2x8 =
88+ ( 23-24 )=
56 - 2x6 =
80- ( 19 + 42 )=
8x7 + 30 =
38+18-16 =
(68-23 ) -9 =
5x3 + 9 =
8x7 + 30 =
9x8 + 30 =
36-9x6 =
68-(28-22)=
2019 年_月 日 星期
42- ( 1 + 6 )=
71- ( 23-24 )=
79+19-36 =
34 + 8x2 =
(6 + 2 ) x7 =
2x6 + 37 =
30+(23-29)=
(66 - 50 ) -2 =
61-28+26 =
32-4+16 =
2019年 月 日 星期
2019 年_月 日 星期
5x3 + 9 =
19 + 9x6 =
80 + 5x7 =
6'4 - 19 =
71 - 9 - 48 =
7- ( 10 - 3 )=
60 + 72-8 =
42- ( 1 + 6 )=
8x6 + 79 =
77 + 66 - 49 =
2019 年_月 日 星期
25+5x9=
84-23+16 =
8x4+6 =
(33+49 ) - 68 =
(42 + 30 ) x2 =
14 + 11 -25 =
(100 - 63 ) X8 =
32-4+16 =
16亏4x8=
(21+15)-9 =
63- 16+16 =
96 - 2x4 =
72 - 25-5 =
36+94-26 =
16-1-8 =
82-(28-22)=
2019 年_月 日 星期
64-(24-16) =
36- ( 2 + 4 )=
36 + 7x7 =
33-(39-23)=
6 + 8x4 =
2x9x8 =
30- ( 19 + 2 )=
(19 + 2 ) -3 =
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36-4x8 =
54 + 9x2 =
76 + 72-8 =
16+77-26 =
2019 年_月 日 星期
9><6 + 4 =
5x8-39 =
(75-18)x7 =