Ответ:
Пошаговое объяснение:
1) 16.23+(-1.7)+(-12.41)=
= 16.23+(-14.11)= 2.12
2) 2 1/6+(-2 1/4)+(-3 3/5)=
= 13/6-9/4-18/5=
= 130/60-135/60-216/60=
= -221/60=
= -3 41/60
3) (-18.83+11.4)+((-12.3)+19.73)=
= -7.43+7.43=
= 0
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Answers & Comments
Ответ:
Пошаговое объяснение:
1) 16.23+(-1.7)+(-12.41)=
= 16.23+(-14.11)= 2.12
2) 2 1/6+(-2 1/4)+(-3 3/5)=
= 13/6-9/4-18/5=
= 130/60-135/60-216/60=
= -221/60=
= -3 41/60
3) (-18.83+11.4)+((-12.3)+19.73)=
= -7.43+7.43=
= 0