ayuda doy coronita
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Respuesta:
1)
a. 3/8
b. 8/3
c. 6/0.4
d. 100/28
2)
a. 30 es a 6, 30/6
b. 10 km es a 8 km, 10/8
3)
a. 10/7 = 20/14; 40/28; 90/63; 100/70
b. 5/2 = 25/10; 50/20; 60/24; 100/40
c. 4/9 = 12/27; 20/45; 40/90; 400/900
4)
a. 1/2
b. Se necesitan 15 microscopios
Eso es todo, lamento la demora, espero que te sirva :D