哪个表达式与 9(b – 7) 等价？
Correct answer(s):
- 9b - 63
Subject
Algebra
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Quizzes in Algebra
选择所有与 8a + 5a 等价的表达式。
Correct answer(s):
- (8+5)a
- 13a
哪个表达式与 7t + 14 等价？
Correct answer(s):
- 7(t + 2)
哪个表达式与 6(r + 1) 等价？
Correct answer(s):
- 6r + 6
哪个表达式与 5(q – 7) 等价？
Correct answer(s):
- 5q - 35
选择所有与 4p + 5p 等价的表达式。
Correct answer(s):
- (4+5)p
- 9p
哪个表达式与 3n + 15 等价？
Correct answer(s):
- 3(n + 5)
哪个表达式与 9(b – 7) 等价？
Correct answer(s):
- 9b - 63
选择所有与 8a + 5a 等价的表达式。
Correct answer(s):
- 13a
- (8+5)a
哪个表达式与 7t + 63 等价？
Correct answer(s):
- 7(t + 9)
哪个表达式与 6(r + 1) 等价？
Correct answer(s):
- 6r + 6
哪个表达式与 5(q – 7) 等价？
Correct answer(s):
- 5q - 35
哪个表达式与 3n + 39 等价？
Correct answer(s):
- 3(n + 13)
哪个表达式与 2(m + 1) 等价？
Correct answer(s):
- 2m + 2
哪个表达式与 9(b – 7) 等价？
Correct answer(s):
- 9b - 63
选择所有与 8a + 5a 等价的表达式。
Correct answer(s):
- 13a
- (8+5)a
哪个表达式与 7t + 21 等价？
Correct answer(s):
- 7(t + 3)
哪个表达式与 6(r + 1) 等价？
Correct answer(s):
- 6r + 6
哪个表达式与 5(q – 7) 等价？
Correct answer(s):
- 5q - 35
选择所有与 4p + 5p 等价的表达式。
Correct answer(s):
- (4+5)p
- 9p