Ответ:
1) 2/3:(-2)
2) (-3/4): 1 1/2
2/3:(-2)=-(2/3:2)= - (2/3*1/2)=-1/3
(-3/4) : 1 1/2= -(3/4:1 1/2)= -(3/4:3/2)=-(3/4*2/3) =-1/2
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Ответ:
1) 2/3:(-2)
2) (-3/4): 1 1/2
Ответ:
2/3:(-2)=-(2/3:2)= - (2/3*1/2)=-1/3
(-3/4) : 1 1/2= -(3/4:1 1/2)= -(3/4:3/2)=-(3/4*2/3) =-1/2