Calculati si scrieti rezultatul sub forma de fracti e zecimala:
a) 3supra11+5supra11; b)1supra3+5supra3; c)3supra8+5supra8+7supra8; d)16supra93+50supra93; e)3supra8+5supra8+7supra8; f)3supra6+14supra6+13supra6; g)2supra5+3supra5+4supra5; h)1supra63+5supra63;+3supra63; I)3supra5-1supra5; j)13supra9-7supra9; k)17supra27; l)35supra63-14supra-63.

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Răspunsuri

2014-11-17T20:19:33+02:00
A) 8/11
b)6/3 = 2
c)15/8
d)66/93 = 22/31
e) 15/8
f)30/6=5
2014-11-17T20:29:24+02:00
A) 3/11 + 5/11 = 8/11 = 0,72(72)
b) 1/3 + 5/3 = 6/3 = 2
c) 3/8 + 5/8 + 7/8 = 15/8 = 1,87
d)  16/93 + 50/93 = 66/93  =0,70
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