а) 4,8∙(-2,5)-7,2∙(-0,5); б)(-3,2)∙0,2+(-4,2) ∶(-0,14).. Created by hurmeleva98. matematika-ru

а) 4,8∙(-2,5)-7,2∙(-0,5); б)(-3,2)∙0,2+(-4,2) ∶(-0,14)...

July 2022 1 6 Report

а) 4,8∙(-2,5)-7,2∙(-0,5); б)(-3,2)∙0,2+(-4,2) ∶(-0,14).

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vikagrigorieva1 А) 4,8*(-2,5)= -12
7,2*(-0,5)= -3,6
-12 - (-3,6) = -8,4
ответ: -8,4
Б) (-3,2)*0,2=-0,64
(-4,2):(-0,14)= 30
(-0,64) +30= 29,36
ответ: 29,36

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