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A) 2/5 ÷ 8/15 × 4/3
B) 9/10÷ (5/12 × 4)
C) 14/6 ÷ ( 2/5÷ 4/25 )
D) 10/9 ÷ 5/27 ÷ 3/2
Ajutor


Răspuns :

A) 2/5x15/8x4/3=3/4x4/3=12/12=1

B) 9/10:20/12=9/10x12/20=54/100=27/50

C) 14/6:(2/5x25/4)=14/6:5/2=14/6x2/5=14/15

D) 10/9x27/5x2/3=4