0,4+9/20-0,78=pakai cara ya kak

0,4+9/20-0,78=pakai cara ya kak

Maaf klo slh……….

Gambar Jawaban

$0.4 = frac{4}{10} \ 0.78 = frac{78}{100} \ \ = frac{4}{10} + frac{9}{20} - frac{78}{100} \ = frac{4 times 10}{10 times 10} + frac{9 times 5}{20 times 5} - frac{78}{100} \ = frac{40}{100} + frac{45}{100} - frac{78}{100} \ = frac{7}{100} \ = 0.07$

maaf klo salah