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a)
[tex]5 \div \frac{10}{7} [/tex]
b)
[tex]4 \div \frac{2}{5} [/tex]
c)
[tex]9 \div \frac{18}{5} [/tex]
d)
[tex]9 \div 5 \frac{1}{4} [/tex]

(DAU COROANĂ )​


Răspuns :

a) 5 ÷ 10/7 = 35/7 ÷ 10/7 = 35/10 = 3,5

b) 4 ÷ 2/5 = 20/5 ÷ 2/5 = 20/2 = 10

c) 9 ÷ 18/5 = 45/5 ÷ 18/5 = 45/18 = 15/6 = 5/2 = 2,5

d) 9 ÷ 5(1/4) = 9 ÷ 21/4 = 36/4 ÷ 21/4 = 36/21 = 12/7