求 x：x – 1.25 = 0.75。
Correct answer(s):
- 2
Subject
数学
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Quizzes in 数学 for Grade 5
求 x：x + 2.5 = 8.0。
Correct answer(s):
- 5.5
求 x：3x = 5。
Correct answer(s):
- 5/3
求 x：x/2 = 2。
Correct answer(s):
- 4
求 x：x – 1.25 = 1.75。
Correct answer(s):
- 3
求 x：x + 1.5 = 3.0。
Correct answer(s):
- 1.5
求 x：5x = 9。
Correct answer(s):
- 9/5
求 x：x/4 = 4。
Correct answer(s):
- 16
求 x：x – 1.25 = 2.75。
Correct answer(s):
- 4
求 x：x + 0.5 = 3.0。
Correct answer(s):
- 2.5
求 x：8x = 2。
Correct answer(s):
- 1/4
求 x：x/6 = 7。
Correct answer(s):
- 42
求 x：x – 1.25 = 3.75。
Correct answer(s):
- 5
求 x：x + 2.5 = 6.0。
Correct answer(s):
- 3.5
求 x：3x = 4。
Correct answer(s):
- 4/3
求 x：x/2 = 1。
Correct answer(s):
- 2
哪个值能使 4n – 1 = 7 成立？
Correct answer(s):
- 2
哪个值能使 5t – 5 = 30 成立？
Correct answer(s):
- 7
哪个值能使 6n – 3 = 15 成立？
Correct answer(s):
- 3
哪个值能使 2t – 1 = 15 成立？
Correct answer(s):
- 8