a=573/100 b=27839/1000
Faudrait détailler..
a : 5+ \frac{7}{10}+\frac{3}{100} = \frac{500}{100}+ \frac{70}{100}+\frac{3}{100} =
\frac{500+70+3}{100} = \frac{573}{100}

Réponses

2013-09-11T21:13:34+02:00
A)(5*100/100)+(7*10/100)+3/100=500/100+70/100+3/100=573/100
b)27*1000/1000+8*100/1000+3*10/1000+9/1000=27000/1000+800/1000+30/1000+9/1000=27839/1000