a)Ta có: 3,30303 = \(3\frac{30303}{10}\)= \(\frac{30}{10}\)+\(\frac{30303}{10}\)=\(\frac{30333}{10}\)
Ta có: 0,0303= \(\frac{0303}{10}\)=\(\frac{303}{100}\)
Ta có: 303,303303=\(303\frac{303303}{10}\)=\(\frac{306333}{10}\)
b) Hiệu: 3,30303-0,0303=3,27
Tổng: 3,30303+0,0303=3,33
Tích: 3,30303\(\times\)0,0303= 0,100081809
Thương: 3,30303\(\div\)0,0303=109,010891089