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ZisFaker
a fost răspuns

Simplificati fractia: a2+6 supra 2;b7+5 supra 6;c 15 supra 3 +12; d 30+20 supra 30; e 20+30+40 supra 10+20+30. f 1+2+3+4 supra 2+4+6+8. g 1*2*3*4*5 supra 2*4*6*8*10. h 1*2*3*4 supra 4*8*12*16

Răspuns :

Marina001
(2+6)/2 = 8/2 =4
(7+5)/6 = 12/6 = 2
15/(3+12) = 12/15 = 1
(30+20)/30 = 30/30 = 1
(20+30+40)/(10+20+30) = 90/60 = 9/6 = 3/2
(1+2+3+4)/(2+4+6+8) = 10/20 = 1/2
1*2*3*4*5/2*4*6*8*10 = 1*1*1*1*1/1*1*2*8*2=1/32
1*2*3*4/4*8*12*16 = 1*1*1*1/4*4*4*4 = 1/256

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