$\frac{x}{13}$ :$\frac{3}{7}$ =$\frac{3}{6}$
$\frac{x}{13}$ .$\frac{7}{3}$ =$\frac{3}{6}$
$\frac{7x}{39}$ =$\frac{3}{6}$
`7x.6`
`42.x=117`
`x=`$\frac{117}{42}$
`x=`$\frac{39}{14}$
x/13 ÷3/7=3/6
⇔x/13 . 7/3= 3/6
⇔7x/39=3/6
⇔7x.6=39.3
⇔42x=117
⇔x=117/42
⇔x=39/14
xin câu trả lời hay nhất
tính giá trị biểu thức 1. 3 ² . 2 ³ + 2 ³ . 3 ² 2. 3 . 4 ² - 2 ² . 3 3. 2 ³ . 5 ² - 3 ² - 10 4. 3 ³ . 3 ² + 2 ³ + 3 ² 5. 5 . 4 ³ + 2 ngũ 4 . 5 6. 3 ² . 5 ² - 4 ² + 7
41 Would you like (come) ................... in my car? ~ No, thanks. I'd rather (walk). ................... 42 It is better (put) ................... your money in a bank than (keep) ................... t under your bed in an old stocking. 43 The bank robbers made the cashier (show) ................... them how (open) ................... the safe. 44 If you knew he was wrong, why didn't you (say) ................... something? 45 It's better (be) ................... sure than sorry. 46 I saw the driver (open) ................... his window and (throw) ................... a box into the bushes. 47 That is far too heavy for one person (carry) ................... ; let me (help) ................... you. 48 I saw the plane (crash) ................... into the hill and (burst) ................... into flames. 49 There is nothing (do) ............... but (wait) ................ till somebody comes (let) ............... us out. 50 He heard a cock (crow) ................... in a neighbouring village. 51 You may as well (tell) ............. us the truth. It will (be) ........... easy (check) ............. your story. 52 The American said he had seen nine presidents (come) ................... and (go) ................... . ~ He must (be) ................... a very old man. 53 Would you rather (be) ................... more stupid than you look or (look) ................... more stupid than you are? 54 I have a lot of homework ( do) ................... tonight, so I cannot go out with you. 55 it is really interesting ( read) ................... these books. 56 He felt lonely, he had no friends ( play) ...................with. 57 He doesn’t have enough money ( buy) ................... a new house. 58 His explanations were difficult ( understand) ................... 59 I felt something (bite) ................... my finger. 60 I will let you ( borrow) ................... my car as long as you promise ( be) ................... careful. 61 They decided ( not/ go) ................... to the park because it was raining hard 62 The sea wasn’t warm enough for us (go) ................... swimming. 63 I was too tired ( do) ................... any more work. 64 As she drove past his house she noticed him ( run) ................... away from home. 65 I want you ( tell) ................... me the whole truth. 66 We had nothing ( do) ................... except looking at the cinema posters
cho bộ nhiễm sắc thể ở người là 2n=46;gà 2n=78. Tính số lượng nhiễm sắc thể đơn bội của 2 loài trên Tính số cromatitcủa 2 loài trên Tính số tâm đọng của 2 loài trên
giải các phương trình sau : 1, sin bình x - 2sinx.cosx - 3cos bình x = 0 2, 6sin bình x + sinx,cosx - cos bình x = 2
vẽ anime nhe các bn và cho mk hỏi samp là gì vậy ??
nêu quy luật và điền số thích hợp vào dấu ?
vẽ góc ABC' kề bù với góc ABC hỏi số đo của góc ABC'?
Bài 3: Khoanh tròn vào câu trả lời đúng 1.Tom always (win/ wins) when he plays chess 2. (Do/ Are) you a student? 3.Mice (is/are) afraid of cats. 4.How does your father (travel/ travels) to work every day? 5.They sometimes (go/goes) sightseeing in rural areas.
Tìm đọc bài Thu Vịnh,Thu Ẩm chỉ ra một cách khái quát nét độc đáo của Câu cá mùa thu so với 2 bài thơ đó M.n giúp mình với ạ.
Gjgjhkcih ihcichixhixhixhixhixhxhichichicchl
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến
