3. -53.1
1)-43.7:87.4= -0,5
2) 34.2:(-1.14)= - 30
3) -0,5+30= 29,5
4) 29,5*(-1,8)= -53.1
4. -8/27
1) 5/18-(-11/27)= 5/18+11/27= 15/54+22/54= 37/54
2) 37/54:(-2 5/16)= -37/54:37/16= -37/54*16/36= -8/27
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Answers & Comments
3. -53.1
1)-43.7:87.4= -0,5
2) 34.2:(-1.14)= - 30
3) -0,5+30= 29,5
4) 29,5*(-1,8)= -53.1
4. -8/27
1) 5/18-(-11/27)= 5/18+11/27= 15/54+22/54= 37/54
2) 37/54:(-2 5/16)= -37/54:37/16= -37/54*16/36= -8/27