Ответ:
Пошаговое объяснение:
а) (1/9+1/3):2/3=(1+3)/9*3/2=4/9*3/2=2/3
б) 2- 2/3:7/9=2- 2/3*9/7=2- ( 2*3)/7=2-6/7=1 7/7-6/7=1 1/7
в) 3/4 :12 - 1/32= 3/4*1/12-1/32= 1/16-1/32= (2-1)/32=1/32
г) 1 1/5 : 2/3 +1/3=6/5*3/2+1/3=9/5+1/3=(27+5)/15=32/15 = 2 2/15
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Answers & Comments
Ответ:
Пошаговое объяснение:
а) (1/9+1/3):2/3=(1+3)/9*3/2=4/9*3/2=2/3
б) 2- 2/3:7/9=2- 2/3*9/7=2- ( 2*3)/7=2-6/7=1 7/7-6/7=1 1/7
в) 3/4 :12 - 1/32= 3/4*1/12-1/32= 1/16-1/32= (2-1)/32=1/32
г) 1 1/5 : 2/3 +1/3=6/5*3/2+1/3=9/5+1/3=(27+5)/15=32/15 = 2 2/15