Ответ:
Пошаговое объяснение:
1) 2/3 +(-10 1/3)= 2/3 - 10 1/3= - 9 2/3
2) -3/8+4/7=(-3*7+4*8)/56=(-21+32)/56=11/56
3) 3/5+ (-1 5/6)= 3/5 - 11/6=(18-55)/30=-37/30=-1 7/30
4) 2/9+ (-1 5/6)=2/9 - 11/6= (2*2-11*3)/18= (4-33)/18=-29/18=-1 11/18
5) 4/5+ (-2/7)= 4/5-2/7= (4*7-2*5)/35=(28-10)/35=18/35
6) -9+2/9=-8 7/9
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Verified answer
Ответ:
Пошаговое объяснение:
1) 2/3 +(-10 1/3)= 2/3 - 10 1/3= - 9 2/3
2) -3/8+4/7=(-3*7+4*8)/56=(-21+32)/56=11/56
3) 3/5+ (-1 5/6)= 3/5 - 11/6=(18-55)/30=-37/30=-1 7/30
4) 2/9+ (-1 5/6)=2/9 - 11/6= (2*2-11*3)/18= (4-33)/18=-29/18=-1 11/18
5) 4/5+ (-2/7)= 4/5-2/7= (4*7-2*5)/35=(28-10)/35=18/35
6) -9+2/9=-8 7/9