Ответ:
Объяснение:
1) -14+8= -6
2) -2.7+6.4=3.7
3) 16.8+(-9.5)=7.3
4) 7.23+(-18.4)= -11.17
5) -9.4+9.4=0
6) -1+0.836= -0.164
7) -5/6+7/8= -20/24+21/24=1/24
8) 3 7/8+(-2 1/9)=31/8-19/9=
=279/72-152/72=
=127/72=
= 1 55/72
9) -6 2/9+2 5/6=
= -56/9+17/6=
= -112/18+51/18=
= -61/18=
= -3 7/18
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Answers & Comments
Ответ:
Объяснение:
1) -14+8= -6
2) -2.7+6.4=3.7
3) 16.8+(-9.5)=7.3
4) 7.23+(-18.4)= -11.17
5) -9.4+9.4=0
6) -1+0.836= -0.164
7) -5/6+7/8= -20/24+21/24=1/24
8) 3 7/8+(-2 1/9)=31/8-19/9=
=279/72-152/72=
=127/72=
= 1 55/72
9) -6 2/9+2 5/6=
= -56/9+17/6=
= -112/18+51/18=
= -61/18=
= -3 7/18