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(-5 1/15)-(-1,3)=
5,65-(-9 1/5)=5,65+9 1/5= 5,65+ 9,2= 14,85
(-1 5/12)-(-3,125)=
-(-8,75)+(-3 1/3)= 8¾- 3⅓= 8 9/12-3 4/12= 4 5/12
(-8 3/8)+(-2,45)=
(-5,25)-(-1 7/10)= -5,25+1,7=7,22
(-9 5/12)+(-3,75)= -9 5/12 -3¾= 9 5/12- 3 9/12 = 8 17/12 - 3 9/12= 8 8/12 =
=8 2/3
(-6 3/8)+(-1,55)=
-(-8,8)-5 1/6= 8 8/10 - 5 1/6 = 8 24/30 - 5 5/30= 3 19/30
1,25+(-2 7/12)=
(-5 1/6)-[5,5+9-1/3)]=
(-3/4)-(1,2+5/8)= -¾ -(1 1/5 + 5/8)= -¾ -( 1 8/40 + 25/40)= -¾ - 1 33/40=
= - 30/40- 1 33/40 = -1 90/40 = -3 ¼
Przepraszam , ale reszty nie miałam czasu rozwiązać . Mam nadzieje , że ci jakoś pomogłam ;)