2816/11
256
22
2794
55
2739
66
2673
1) (-3,4+7) * (-1 7/8)⇒3,6*(-1,875)=-6,75.
2) <span>(6 2/9-5 5/6) : (-7/30)</span>⇒(6 4/18-5 15/18):(-7/30)=(112/18-105/18):(-7/30)=(7/18):(-7/30)=7*30/(18*(-7))=-30/18=-1 2/3.
24+5>12+6
24+5<7+28
30+15>12+6
30+15>7+28
30+15>24+5
12+6<7+28
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