Răspuns :
a)20:4=5
40:4=10
32:4=8
24:4=6
16:4=4
b)10:5=2
5:5=1
35:5=7
20:5=4
40:5=8
40:4=10
32:4=8
24:4=6
16:4=4
b)10:5=2
5:5=1
35:5=7
20:5=4
40:5=8
[tex]a) \frac{1}{4} \times 20 = \frac{20}{4} = 5[/tex]
[tex] \frac{1}{4} \times 40 = \frac{40}{4} = 10[/tex]
[tex] \frac{1}{4} \times 32 = \frac{32}{4} = 8[/tex]
[tex] \frac{1}{4} \times 24 = \frac{24}{4} = 6[/tex]
[tex] \frac{1}{4} \times 16 = \frac{16}{4} = 4[/tex]
[tex]b) \frac{1}{5} \times 10 = \frac{10}{5} = 2[/tex]
[tex] \frac{1}{5} \times 5 = \frac{5}{5} = 1[/tex]
[tex] \frac{1}{5} \times 35 = \frac{35}{5} = 7[/tex]
[tex] \frac{1}{5} \times 20 = \frac{20}{5} = 4[/tex]
[tex] \frac{1}{5} \times 40 = \frac{40}{5} = 8[/tex]
[tex] \frac{1}{4} \times 40 = \frac{40}{4} = 10[/tex]
[tex] \frac{1}{4} \times 32 = \frac{32}{4} = 8[/tex]
[tex] \frac{1}{4} \times 24 = \frac{24}{4} = 6[/tex]
[tex] \frac{1}{4} \times 16 = \frac{16}{4} = 4[/tex]
[tex]b) \frac{1}{5} \times 10 = \frac{10}{5} = 2[/tex]
[tex] \frac{1}{5} \times 5 = \frac{5}{5} = 1[/tex]
[tex] \frac{1}{5} \times 35 = \frac{35}{5} = 7[/tex]
[tex] \frac{1}{5} \times 20 = \frac{20}{5} = 4[/tex]
[tex] \frac{1}{5} \times 40 = \frac{40}{5} = 8[/tex]