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co tat ca bao nhieu cach viet so 34 duoi dang tong cua 2 so nguyen to ? nhanh nha ban oi minh dang hoc
co tat ca bao nhieu cach viet so 34 duoi dang tong cua hai so nguyen to?
Viet so 43 duoi dang tong cua hai so nguyen to a,b voi a<b. khi do b =?
co tat ca bao nhieu cach viet so 34 duoi dang tong cua hai so nguyen to
viet so 43 duoi dang tong 2 so nguyen to a,b voi a<b.khi do b=
viet so 43 duoi dang tong 2 so nguyen to a,b voi a<b khi do a = ......
1) Mot so nguyen to chia cho 30 duoc so du la r.Tim r,biet r khong phai la so nguyen to.
2) Chung minh rang:
a/ So 17 khong viet duoc tong 3 hop so khong bang nhau.
b/Moi so le lon hon 17 deu viet duoc duoi dang 3 hop so khac nhau.
viet so 43 duoi dang tong 2 so nguyen to a va b voi a<b khi do b =?
viet so 43 duoi dang tong hai so nguyen to a,b voi a<b. Khi do b=