What fraction of the figure is shaded.
Fill in the blanks:
(i) −4×79=79× ___
(ii) 511×−38=−38× ___
(iii) 12×(34+−512)=12× ____ +(×)−512
(iv) −45×57×___ =(−45×57)×−89
Write the following fractions in descending order by
(a) equalising the numerators
(1)
(2)
(3)
(4)