TÍCH CHO MÌNH NHÉ

mik may mắn cả năm

I: Make questions for bold words in the follwing sentences.
1: Peter always goes shopping by car.
-->.....How often does Peter go shopping by car?......
2:People make cheese from milk.
-->.............What does people make cheese from?.....................
3:Wright brothers built the first plane in 1930?
-->...........When did wright brothers build the first plane?.......................
4: Shakespeare wrote Romeo and Juliet in 1592.
-->............Who wrote Romeo and Juliet in 1592?.....................
5: There are sixteen units in this textbook.
-->...............How many units are there in this textbook?.................

2/3 của 15 là 15/3*2=10

ĐS 10

tich đi mk tich cho

a)-6x=18

      x=18:(-6)

      x=-3

Vậy x=3

b,b)4-(27-3)=x-(13-4)

      4-24    =x-9

       -20    =x-9

            x=-20+9

            x= -11

c,2x-17=15

   2x    =15+17

   2x    =32

     x    =32:2

     x    =16