-0,6+(1,24) 3 1/2+(-4 2/4) -17/18+(-5/24) 12,5+3,012

Question

-0,6+(1,24)
3 1/2+(-4 2/4)
-17/18+(-5/24)
12,5+3,012

Answer 1

-0,6+1,24=0,64
31/2-18/4=62/4-18/4=44/4=11
-17/18-5/24=-68/72-15/72=-83/72=-1 11/72
22,5+3,012=25,512

Comments

там не 22,5 а 12,5

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будет не 25,а15

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хорошо