• Matéria: Matemática
  • Autor: mariafonseca47
  • Perguntado 3 anos atrás

62 Efetue as divisões. a) 1/6 ÷ 3/5 = b) 3/4 ÷ 2/9 =c) 3 ÷ 1/45 = d) 20÷ 4/5 =​

É pra agora pfv!!!

Respostas

respondido por: arielsilva1512
11

Resposta:

a) 1/6 ÷ 3/5

\frac{1}{6} :\frac{3}{5} \\\\\frac{1}{6}.\frac{5}{3} \\\\\frac{5}{18}

b) 3/4 ÷ 2/9

\frac{3}{4} :\frac{2}{9} \\\\\frac{3}{4} .\frac{9}{2} \\\\\frac{27}{8}

c) 3 ÷ 1/45

\frac{3}{1} :\frac{1}{45} \\\\\frac{3}{1} .\frac{45}{1} \\\\135

d) 20÷ 4/5

20:\frac{4}{5} \\\\20.\frac{5}{4} \\\\\frac{100}{4} \\\\=25


mariafonseca47: Obrigada!
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