<span>а)-17-56=-73
б)19,07+(-15,9)=19,07-15,9=3,17
в)0</span>×<span>(-0,03)=0
г)-19/40</span>×<span>(-35/57)=7/24
д)-1</span>÷<span>(-2,2)=- 1 ÷ (- 2 2/10) = -1 ÷ ( - 11/5) = - 1 × (- 5/11) = 5/11
е)5/24</span>÷(-0,16)=5/24 ÷ (- 16/100) = 5/24 ÷ ( - 4/25) = 5/24 × ( - 25/4) = - 125/96 = - 1 29/96
А)-17-56=-73
б)19,07-15,9=3,17
в)0*(-0,03)=0
г)-19/40*(-35/57)=7/8*3=7/24
д)-1:(-2,2)=10/22=5/11
е)5/24:16/100=-5*100/24*16=-50/384=-1 116/384=-1 29/96