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jdjdjxs
@jdjdjxs
November 2021
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помогите срочно с номером 492 пожалуйста
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вовазан
1) 3,5-(-11,5+(-2,2))=17,2
2) 3,5-(-3,5+(-2,25))=9,25
3) 3,5-(-2,8+(-3,19))=10,19
4) 3,5-(-0,45+(-4,5))=8,45
2 votes
Thanks 2
Ravil070
1) 3.5-(-11.5+2.2)= -5.8
1 действие решаем скобки -11.5+2.2= 9.3
2 действие 3.5 - 9.3 = -5.8
2) 3.5 - (-3.5+2.25)= 2.25
-3.5+2.25= 1.25
3.5- 1.25 = 2.25
3) 3.5-(-2.8+3.19)=3.11
-2.8+3.19=0.39
3.5-0.39=3.11
4) 3.5-(-0.45+4.5)=-0.55
-0.45+4.5=4.05
3.5-4.05=-0.55
1 votes
Thanks 1
Ravil070
минусы не заметил извини
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Answers & Comments
2) 3,5-(-3,5+(-2,25))=9,25
3) 3,5-(-2,8+(-3,19))=10,19
4) 3,5-(-0,45+(-4,5))=8,45
1 действие решаем скобки -11.5+2.2= 9.3
2 действие 3.5 - 9.3 = -5.8
2) 3.5 - (-3.5+2.25)= 2.25
-3.5+2.25= 1.25
3.5- 1.25 = 2.25
3) 3.5-(-2.8+3.19)=3.11
-2.8+3.19=0.39
3.5-0.39=3.11
4) 3.5-(-0.45+4.5)=-0.55
-0.45+4.5=4.05
3.5-4.05=-0.55