plz pomocy potrzebuje zad 1 ćwiczeniówka str 80

a)
[tex]9 \times 3 = 27 \\ \\ 9 \times 0.3 = 2.7 \\ \\ 0.09 \times 3 = 0.27[/tex]
b)
[tex]6 \times 8 = 48 \\ \\ 0.6 \times 8 = 4.8 \\ \\ 6 \times 0.008 = 0.048[/tex]
c)
[tex]3 \times 70 = 210 \\ \\ 0.3 \times 70 = 21 \\ \\ 0.03 \times 70 = 2.1[/tex]