X.35=37
Bai nay lam nhu the nao ??? Giup minh voi 🤔🤔🤔🤔
tinh cach thuan tien 45 - 5 nhan [12+9]
thanks nhung ban nao lam dc bai nay
tim 1 so tu nhien co 2 chu so sao cho ti so giua so do voi tong cac chu so cua no la so lon nhat
nhung nguoi nao gioi thi lam bai nay nhe ! ai dung cho 2 like
trong hai so sau so nao lon hon 3^54 va 2^81
bai nay trong quyen toan nang cao va cac chuyen de toan 6 nha cac ban
cac ban nho ghi ro cach lam ra nhe
binh ngo dai cao ra doi vao nam nao
nhanh len nha.
bai nay co trong sach giao khoa lop 6.
luyen tap 2ai lam dung mih k cho
bai 1
cho tong : S = 5 + 8 + 11 +14 = ....
a) tim so hang thu 100 cua tong
b) tinh tong 100 so hang dau tien
bai 2
cho tong : S = 7 + 12 + 17 + 22 + .......
a) tim so hang thu 50 cua tong
b) tinh tong 50 so hang dau tien
bai 3
tinh tong cua tat ca cac so hang tu nhien x , biet x la so tu nhien co 2 chu so va 12 < x <91
ban nao lam ho minh 3 bai tren voi ma ban nao nao lam ra dau tien minh se tich ngay va lun
loi giai cua bai nay nhu the nao?
a,135-(45)+29-(29+50)
b,120+(-186)+162+(-144)
giup minh lam 2 bai nay voi!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
bai nay lam sao vay anh chi 5 nhan x - 10 = 25 con bai nay lam sao vay 5 [x - 10 ] = 25