Question

Номер 644 помогите срочноооо!!!!!

Answer 1

Ответ:

Пошаговое объяснение:

1)8 2/3÷(-0.13)=26/3÷(-13/100)=-(26×100)/(3×13)=200/3=66 2/3

2)-11.7÷1/100=-117/10÷1/100=-(117×100)/10=-1170

3)-40.4÷(-1 3/5)=-404/10÷(-8/5)=(404×5)/(10×8)=101/4=25.25

4)6.25÷(-2 3/11)=625/100÷(-25/11)=-(625×11)/(100×25)=-275/100=-2.75

5)-12 3/50÷0.12=-603/50÷12/100=-(603×100)/(50×12)=-603/6=-100.5

6)-1.4÷(-1 3/4)=-14/10÷(-7/4)=(14×4)/(10×7)=4/5=0.8