tại bài này rất khó nên chỉ có các anh chị lớp 6 trở lên mới giải được thôi
tại bài này rất khó nên chỉ có các anh chị lớp 6 trở lên mới giải được thôi
Given two circles ( O ; R) ;(O' ;R') with OO' > R +R' , from O, a tangent OT' is constructed to (O' ), from O' a tan-gent O'T to (O) is drawn. line TT' meets (O) and (O') at S and S' ,respectively ( dis - tinct from T and T'). prove that ST = S'T'.
choose a verd from the list and complete the text.you may use the negative
meke;get;wake up;hurry;get;finish;do;let;shout;have;be
sandra always gets up early in the morning.she ...... breakfast for her hasband and children.then she.....the children ready for school.the children.....usually........easily and sometimes she......at them.they ............. to school with their father who........ a teachet.he ....... never late for school,and when the children ..... he.......... very angry.the children ..... lessons every day and they always ............ homework from their teachers,but sometimes they ............. it.when they............ their homework,sandra ............ them play with their friends
mình biết đây là trang giải toán nhưng bài này khó quá các bạn giúp mình nha
choose a verd from the list and complete the text.you may use the negative
meke;get;wake up;hurry;get;finish;do;let;shout;have;be
sandra always gets up early in the morning.she ...... breakfast for her hasband and children.then she.....the children ready for school.the children.....usually........easily and sometimes she......at them.they ............. to school with their father who........ a teachet.he ....... never late for school,and when the children ..... he.......... very angry.the children ..... lessons every day and they always ............ homework from their teachers,but sometimes they ............. it.when they............ their homework,sandra ............ them play with their friends
At 4pm, Rui Feng, Khai, and Ethan are at the starting point of a 2.4 km circular path. Rui Feng takes 126 second, Khai takes 154 seconds, and Ethan takes 198 seconds respectively to complete one round around the path. When will they next meet again?
Given a segment AB = 100cm. Let C be a point between A and B. Let M, N be respectively the midpoint of the segment BC, AC. Find the length of the segment MN.
A book store had a box of books. One half but 5 fewer books were sold on the first day. One third of the remaining part and 12 more books were sold on the second day. Finally 20 books are left. How many book(s) did the book store have originally?
how many 3- digit numbers have a remainder of 7,2 and 3 when divided by 9,5,4 respectively?list all such number
Toán tiếng anh nhé mn?mik cần gấp lắm
Give that the distance from point a to point -1 on the number line is 7. Find a if a<0
Given that the distance from point a to point 0 on the number line is 8. Find a if a < 0