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现在参加这个测试
Order of Operations
1.
15-5+7
2.
(20/5)-3
2
3.
7
2
- 9(4-2)
4.
5-2
2
5.
3+(7-3)/2
6.
3
3
-5
2
7.
5-2(5)
8.
6(2)+4
2
9.
7+11(4)/2
10.
(24-12)2
2
参加了这次测试的学生也参加了 :
Order of Operations
What's the Chance?
Writing Algebraic Expressions
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