Các câu hỏi tương tự
tinh tong cua day so 0; 2 ;4 ;6............x biet x la so hang thu 24 cua tong cac ban giai giup minh bai nay nha ban nao lam nhanh thi minh like
Bai 1: cho day so 1,5,9,13,...
a) chu so thu 135 la chu so nao
b) tinh tong 200 so hang dau tien cua day
bai 2: 1/3,11/3,7,31/3,...
a) xac dinh so hang thu 2009 cua day da cho
b) trong 2009 so hang dau tien cua day co ? so tu nhien tinh tong tat ca cac so tu nhien do
Dien < > =
A 2/3:5/6. 4/5×2/3
B 1/2×3/4. 5/8:6/8
C 9/7:3/2. 7/6:1/4
D 13/12:12/11. 11/10:10/9
CAC BAN NHO VIET KET QUA DUOI MOI PHAN SO MA MINH TINH DUOC NHE
Tinh trung binh cong cua cac so trong day so 2; 4; 6; 8; ...; 2012; 2014
1+2+3+4++5+6+7+8+9+10+11+12+13+14++15+16+17+18+19+20
Hoi tong tren bang bao nhieu (tinh nhanh va giai thich cach lam)
Ket qua cua day tinh:1*2*3*4*5*6*7+64:8 co tan cung la chu so nao?
neu ai khong biet violympic vong 16 la daycau 1:me hon con 30 tuoi neu cong them vao tuoi me so tuoi cua con thi duoc mot so bang 5/4 so tuoi me :tuoi me la 40 tuoi ,con 10 tuoi cau 2:3/4 cua 20 m la: 15 mcau 3:5/6 cua 24 kg la :20 kgcau 4:neu 5/6 cua q kg la 105 kg thi q la :126cau 5:neu 3/4 cua t la 186 thi t la :248cau 6:mot hinh chu nhat co chu vi bang 3 lan chieu dai biet chieu rong bang 20m tinh chieu dai hinh chu nhat : chieu dai hinh chu nhat la 40 mcau 7:1 chiec thuyen cho 36 thung hang...
Đọc tiếp
neu ai khong biet violympic vong 16 la day
cau 1:me hon con 30 tuoi neu cong them vao tuoi me so tuoi cua con thi duoc mot so bang 5/4 so tuoi me :tuoi me la 40 tuoi ,con 10 tuoi
cau 2:3/4 cua 20 m la: 15 m
cau 3:5/6 cua 24 kg la :20 kg
cau 4:neu 5/6 cua q kg la 105 kg thi q la :126
cau 5:neu 3/4 cua t la 186 thi t la :248
cau 6:mot hinh chu nhat co chu vi bang 3 lan chieu dai biet chieu rong bang 20m tinh chieu dai hinh chu nhat : chieu dai hinh chu nhat la 40 m
cau 7:1 chiec thuyen cho 36 thung hang .moi thung hang nang 5/9 ta .hoi chiec thuyen cho bao nhieu tan hang :2 tan
cau 8:8*(28 +22)+(138+362):5=500
cau 9:435 +24:y=500-65+24:3:vay y =3
cau 10: tim so co 4 chu so 1c20 lon nhat chia het cho ca 2;3 va 5 :so do la 1920
chuc cac ban thi tot
ANH HON EM 8 TUOI .TINH TUOI CUA MOI NGUOI BIET CACH DAY 6 NAM TONG SO TUOI CUA 2 ANH EM LA 28
1.Co 1789 kg gao duoc chia deu vao cac tui, moi tui dung 8kg.Hoi can nhieu nhat bn tui de dung het so gao nay
2.Tong so thoc trong mot cua hang la 3 tan 6 ta .Biet rang lan dau nguoi ta lay ra 1/9 so thoc, lan thu hai lay ra tiep 1/5 so thoc con lai .Sau do cua hang lai nhan ve 25 ta thoc..Tinh so thoc cua hang sau khi nhap ve
mong mn giup do