Ta có $(-18)+(7-x)=0$
$-x-11=0$
$x=-11$
$3.x.|-5|=14$
$15x=14$
$x=\frac{14}{15}$
$ (-18)+(7-x)=0$
$ ⇒ -18 +7 -x = 0$
$ ⇒ -11 -x = 0$
$ ⇒ -x = 11$
$ ⇒ x = -11$
$ 3.x|-5|=14$
$ ⇒ 3x.5 = 14$
$ ⇒ 15x = 14$
$ ⇒ x = \frac{14}{15}$
tinh hieu a-b,biet a=1.2+2.3+3.4+...+98.99 b=1.1+2.2+3.3+...+98.98 giai giup minh nhe
III. Use the words given to make some sentences. 1. Tom / often play / monopoly / his friends. _________________________________________________________ 2. We / should / eat / more / fruits / vegetables. ___________________________________________________________ 3. I / start / play football / when / I / ten years old ___________________________________________________________ 4. In / past, / this house / build / by / my uncle. __________________________________________________________ 5. Read / books / free time / be / my / favorite / hobby. __________________________________________________________
Ai giỏi tiếng anh thì giúp mình với mình ngủ anh lắm IV.Write the following sentences, beginning as shown, so that the meaning stays the same. 31.Antarctica is colder than any other places in the world. Antarctica is . 32.Doing morning exercises every morning is good for you. You . 33.My father has a plan to repaint our house before Tet. My father . 34.Fansipan is higher than any other mountains in Indochina (Viet Nam, Laos, and Cambodia). Fansipan is . 35.Nam is the tallest student in his class. Nobody in Nam's class
Đặt câu với mỗi từ sau: trung thực: nhân hậu: dã man:
Mọi người giúp mình bài 3 với,mình sắp nộp rồi
1 : Where does he work ? 2 : ................. Do you have music ? I have it on Tuesday 3 : what is she wearing ? She is..............a red skirt and blue T shirt? 4 : what do you yesterday? I...........a bike in the park.?
không phụ thuộc a (3a+2).(2a-1)+(3-a).(6a+2)-17.(a-1)
II. Complete the second sentence so that it means the same as the sentence before. 1. Her taste is not different from mine. => Her taste is ___________________________________________________ 2. I began studying English three years ago. => I have _______________________________________________________ 3. I find carving eggshells interesting. => I enjoy _______________________________________________________ 4. Get up early or you’ll go to school late. => If you don’t get _________________________________________________ 5. They can buy many kinds of goods in Ben Thanh Market. => Many kinds of goods__________________________________________________
Vẽ JIKOOK anime (không chép mạng nhé )
n+1chia hết cho 5 n+2 chia hết cho 3n-1 n-7 chia hết cho 2n+1 Giải hộ mình bài này với ạ mình sẽ vote cho thank
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