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Ответ

Автор - shubinadiana2004

#1

а) +(33-16+21)-6= 33-16+21-6= 32

б)-(-16+8-24+3)= 16-8+24-3= 29

в)25+(7-8-6)= 25+7-8-6= 18

г)33-(13+19-6)= 33-13-19+6= 7

д)15-(1+2-10)-10= 15-1-2+10-10= 12

#2

а)27-15+6= (27+6)-15

б)-19+10-20= -19-20+(10)

в)-90-45+80= -90-45+(80)

#3

а)27-15+6= 27+6-(15)

б)-19+10-20= (-19-20)+10

в)-90-45+80= (-90-45)+80

Ответ

Автор - elenaklimovazp

Ответ:

1) +(33-16+21)-6= 33-16+21-6= 32

2)-(-16+8-24+3)= 16-8+24-3= 29

3)25+(7-8-6)= 25+7-8-6= 18

4)33-(13+19-6)= 33-13-19+6= 7

5)15-(1+2-10)-10= 15-1-2+10-10= 12

2

1)27-15+6= (27+6)-15

2)-19+10-20= -19-20+(10)

3)-90-45+80= -90-45+(80)

3

1)27-15+6= 27+6-(15)

2)-19+10-20= (-19-20)+10

3)-90-45+80= (-90-45)+80

Пошаговое объяснение:

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