Giúp mik bài 2.3 mik đang cần gấp

Điền từ còn thiếu vào ô trống dưới đây: Tài cao....... trọng

một hình chữ nhật có chiều dài gấp 3 lần chiều rộng nếu giảm chiều dài đi 10cm thì diện tích giảm đi 70cm2.Tính diện tích

Âm tính: Dương tính: (không dùng Goodle dịch.)

Exercise 1 : Rewrite the following sentences 1/ "You'd better do morning exercise, Minh", said I.  I advised ............................................................................................................................. 2/ "I won't lend you any more money !", she said to me.  She refused............................................................................................................................... 3/ "Don't hurry !", my mother said to me.  My mother told......................................................................................................................... 4/ "Don't go too near the elephant !", his father said to him.  His father warned him ............................................................................................................... 5/ "Keep silent !', the teacher said to his pupils.  The teacher ordered ..................................................................................................................... 6/ "I think you'd better not go to work for a few days, Cathy".  I advised ..................................................................................................................................... 7/ Finding a good job nowadays is difficult.  It's ................................................................................................................................................ 8/ Lying in the sun is pleasant.  It's ................................................................................................................................................ 9/ "Please don't tell anyone what happened.", Ann said to me.  Ann told me ................................................................................................................................. 10/ "You'd better not lend her any money, John", said Jack.  Jack advised ................................................................................................................................ 11/ " I won't let anyone know your address", she said to me.  She promised ............................................................................................................................. 12/ "Don't forget to order the supplies I need". My boss reminded me.  My boss reminded me...........................................................................................

( 1+ 2y )/18 = (1+4y)/24 = (1+6y)/6x = (3+2z)/5

chứng tỏ rằng 10^n +72^n -1 chia hết cho 81

B1: Tính a, A=2003 ^(1.9.0+1.9.1+1.9.2+1.9.3+....+1.9.10) b,B = ( 1000 - 1^3 ).(1000 - 2^3 ).( 1000 - 3^3 ) ....... ( 1000 - 15^3 ) c,Tìm số tận cùng của Q=4^21+13^25+10^30 LÀM GIÚP MÌNH NHA

Giúp em với ạ em vote 5 sao cho

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