Ответ:
1)(-0,9)^2*(-5/9):(1,53:1,6-1 1/5)=81/100*(-5/9):(1,53:1,6-1 1/5)=81/100*(-5/9):0.95625-1 1/5=1/100*(-5/9):-(0,24375)=81/100*800/351=24/13=1 11/13
2)4%=0,04
3)1 11/13:0,04=600/13=46 2/13
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Ответ:
1)(-0,9)^2*(-5/9):(1,53:1,6-1 1/5)=81/100*(-5/9):(1,53:1,6-1 1/5)=81/100*(-5/9):0.95625-1 1/5=1/100*(-5/9):-(0,24375)=81/100*800/351=24/13=1 11/13
2)4%=0,04
3)1 11/13:0,04=600/13=46 2/13