[tex] \frac{62}{100} [/tex]-[tex] \frac{28}{100} [/tex]=[tex] \frac{34}{100} [/tex](caiete dictando)
[tex] \frac{62}{100} [/tex]+[tex] \frac{34}{100} [/tex]=[tex] \frac{96}{100} [/tex]
[tex] \frac{100}{100} [/tex]-[tex] \frac{96}{100} [/tex]=[tex] \frac{4}{100} [/tex](vocabulare)