My Crush
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2022-04-20 20:18:26
1. c
2. a
2022-04-19 21:38:49
\(\dfrac{5}{12}+\dfrac{4}{7}+\dfrac{7}{12}+\dfrac{1}{7}+\dfrac{2}{7}\)
\(=\left(\dfrac{5}{12}+\dfrac{7}{12}\right)+\left(\dfrac{4}{7}+\dfrac{1}{7}+\dfrac{2}{7}\right)\)
\(=1+1\)
\(=2\)
2022-04-19 21:31:12
2022-04-19 21:09:51
1. want → want to
2. drinking → to drink
3. go → going
4. on → in
5. doesn't → isn't
2022-04-17 22:28:27
1. If you burn rubbish, it will produce harmful smoke.
2. If we reuse these bottle, we will save a lot of money.
3. Trùng câu 2
4. If we plant trees in the schoolyard, the school will be greener place.
5. If we have a rubbish bin in every class, the classroom will be cleaner.
2022-04-17 22:24:52
2022-04-17 19:24:49
Ta có: 32:8=4(bạn)
⇒31:4= 7(dư 3)
Vậy cần ít nhất 8 bàn học như thế.
2022-04-17 19:15:23
4 tạ 38kg= 0,438 tấn
2022-04-16 22:16:30
\(9-|-5x|+2x=0\)
⇒\(9+5x+2x=0\)
⇒\(7x=-9\)
⇒\(x=\dfrac{-9}{7}\)
Vậy \(x=\dfrac{-9}{7}\)