Matemática, perguntado por andrade84, 10 meses atrás

05. Escreva os números mistos na forma de fração imprópria
a) 3 1/5 =

c) 1 2/3=

b) 2 3/4 =

d) 2 2/5=​

Soluções para a tarefa

Respondido por netinbookoxmu3a
1

Resposta:

a)\;3\dfrac{1}{5}=\dfrac{5\times 3+1}{5}=\boxed{\dfrac{16}{5}}\\\\b)\;1\dfrac{2}{3}=\dfrac{3\times 1+2}{3}=\boxed{\dfrac{5}{3}}\\\\c)\;2\dfrac{3}{4}=\dfrac{4\times 2+3}{4}=\boxed{\dfrac{11}{4}}\\\\d)\;2\dfrac{2}{5}=\dfrac{5\times2+2}{5}=\boxed{\dfrac{12}{5}}

Explicação passo-a-passo:

a)\;3\dfrac{1}{5}=\dfrac{5\times 3+1}{5}=\boxed{\dfrac{16}{5}}\\\\b)\;1\dfrac{2}{3}=\dfrac{3\times 1+2}{3}=\boxed{\dfrac{5}{3}}\\\\c)\;2\dfrac{3}{4}=\dfrac{4\times 2+3}{4}=\boxed{\dfrac{11}{4}}\\\\d)\;2\dfrac{2}{5}=\dfrac{5\times2+2}{5}=\boxed{\dfrac{12}{5}}

Esperto ter ajudado.


andrade84: vlw
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