Tính nhanh a A=1/2-3/5+5/7-7/9+9/11-11/13+13/15+11/13-9/11+7/9-5/7+3/5-1/3 b B=1/9.10-1/8.9-1/7.8-...-1/2.3-1/1.2

giúp minh với🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻 bài 99,100 103,107

ghi công thức thì htđ,httd,quá khứ đơn,tương lai đơn

Mọi người nó giúp em bài 1,2 phần bài tập tự luyện vs ạ Em cảm ơn

Bài 2: Hoàn thành ô chữ sau, dựa vào gợi ý bên dưới. Xếp vào hình dưới giúp em nhé 11. She goes shopping _____ a week. 12. Our grandparents live in a small _______ in Nam Dinh Province. 13. Last year, we visited Hoi An _______ Town. 14. I _____ some books at the book fair. 15. How many ______ do you have today? 16. He went to Ha Noi by ________. 17. Where were you last _______?

trẻ em có mấy quyền nêu rõ ( mình vài bn vào team HỘI VĂN CỦA NĂM MONG MẤY BN VÀO )

viết 1 đoạn văn ngắn khoảng 10 dòng trình bày ấn tượng sâu sắc nhất của mình về 1 đoạn thơ hoặc 1 câu thơ của bài"trong lời mẹ hát"

Sai ở đâu thế mn: (T đang làm thử cái rpg game OwO) Program Rpg_hunt; Uses crt; Var cmd: string; hp,exp,lv,hunt,mhp,bank,pot,pots,gear: longint; Begin Clrscr; lv:=0;hp:=100;exp:=9;mhp:=100;bank:=0;hunt:=0;pot:=0;pots:=0;gear:=0; Readln(cmd); (*Lenh hunt*) If cmd='hunt' then Begin Randomize; Hunt:=Random(5); If hunt=1 then Begin If gear=0 then Begin hp:=hp-10; writeln('You just killed a slime'); Writeln('You have ',hp,'/100hp'); Writeln('You gained 10 exp and 1000 gold!'); exp:=exp+10; bank:=bank+1000; delay(1000); End; If gear=1 then Begin hp:=hp-5; Writeln('You just killed a slime'); Writeln('You have ',hp,'/100hp'); Writeln('You gained 10 exp and 1000 gold!'); exp:=exp+10; bank:=bank+1000; delay(1000); End; End; If hunt=2 then Begin If gear=1 then Begin hp:=hp-15; writeln('You just killed a slime lord'); writeln('You have ',hp,'/100hp'); writeln('You gained 15 exp and 1500 golds!'); exp:=exp+15; bank:=bank+1500; delay(1000); End; If gear=1 then Begin hp:=hp-7; Writeln('You just killed a slime'); Writeln('You have ',hp,'/100hp'); Writeln('You gained 15 exp and 1500 gold!'); exp:=exp+15; bank:=bank+1500; delay(1000); End; End; If hunt=3 then Begin If gear=0 then Begin hp:=hp-40; Writeln('You just killed a wolf( but stronger)'); writeln('You have ',hp,'/100hp'); Writeln('You gained 40 exp and 4000 golds!'); exp:=exp+40; bank:=bank+4000; delay(1000); End; If gear=1 then Begin hp:=hp-20; Writeln('You just killed a slime'); Writeln('You have ',hp,'/100hp'); Writeln('You gained 40 exp and 4000 gold!'); exp:=exp+40; bank:=bank+4000; delay(1000); End; End; If hunt=4 then Begin If gear=0 then Begin hp:=hp-25; Writeln('You just killed a wolf'); writeln('You have ',hp,'/100hp'); Writeln('You gained 25 exp and 2500 golds!'); exp:=exp+25; bank:=bank+2500; delay(1000); End; If gear=1 then Begin hp:=hp-12; Writeln('You just killed a slime'); Writeln('You have ',hp,'/100hp'); Writeln('You gained 25 exp and 2500 gold!'); exp:=exp+25; bank:=bank+2500; delay(1000); End; End; (*Die*) If hp=0 then Begin lv:=lv-1; mhp:=mhp-20; Write('You died, cry, you just demoted to lv ',lv); end; (*Lenh tinh exp*) If exp>=200 then Begin exp:=exp-200; lv:=lv+1; mhp:=mhp+20; Writeln('GG, you advenced to level ',lv); End; If cmd='exp' then Writeln('Your level is ',lv,' ',exp,'/200'); (*Lenh check heal*) If cmd='heal now' then writeln('Your hp is ',hp); (*Lenh heal*) If cmd='heal' then Begin If pot>0 then Begin hp:=mhp; Writeln('Your heal is ',hp,' now'); pot:=pot-1; End else Writeln('You dont have enough potion, please buy more in shop!'); End; (*Lenh shop*) If cmd='shop' then Begin Writeln(' Welcome to Rpg Shop!!!'); Writeln('Here is some items for you OwO'); Writeln(' Life Potion: 200 golds'); Writeln(' Armor: 20.000 golds'); Writeln(' Sword: 30.000 golds'); End; (*Lenh mua armor/sword*) If (cmd='buy armor') or (cmd='buy sword') then Begin Write('You just bought a armor/sword for 100.000'); bank:=bank-100000; gear:=gear+1; End; (*Lenh mua do*) If cmd='buy pots' then Begin Writeln('How many potions do you want?'); Readln(pots); If bank-(pots*200) >=0 then Begin Writeln('You successful bought ',pots,' potions!'); bank:=bank-(pots*200); pot:=pot+pots; pots:=0; End else Writeln('You dont have enough golds!'); End; (*Lenh check inven*) If cmd='inv' then Begin Writeln('Here is your inventory:'); Writeln('Life potions: ',pot); Writeln('Golds: ',bank); End; (*Lenh thoat*) If cmd='exit' then exit; Until 2=1; End.

Làm hộ mk bài 3 vs Mk cảm ơn nhé

Rút gọn bài này giúp mình nha mọi người