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calculați cît mai simplu (3/17+8/102)+14/17 ; 2/5(1/20+4/5)
B,D


Calculați Cît Mai Simplu 31781021417 2512045 BD class=

Răspuns :

(3/17+4/51)+14/17=(9/51+4/51)+14/17=13/51+42/51=55/51=1 4/51 (1 intreg si 4/51)
2/5+(1/20+4/5)=8/20+(1/20+16/20)=8/20+17/20=25/20=5/4=1 1/4 (1 intreg si 1/4)