Question

ajutați-mă Plsss, dau 15 puncte+coroană
Mulțumesc!
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Answer 1

Răspuns:

6.a)96,b)-58,c)140027

7.a)455537055,b)30965640,c)4658

Explicație pas cu pas:

6.a) -12×[-17+15×(+59-27-30)-21]=

• -12×(-17+15×2-21)=
• -12×(-17+30-21)=
• -12×(-8) =
• 95

b)-29×[-73+21×(47+11+32)+155]=

• +29×[-73+21×(-4)+155]=
• +29×(-73+84+155)=
• +29+(-2)=
• -58

c)-31×[+65-37×(61+26+36)-31]=

• -31×(65-37×123-31)=
• -31×(-4517)=
• 140027

7.a)-139×[+711-3921×(417+395+24)]=

• -139×(711-3921×836)=
• -139×(711-3277956)=
• -139×(-3277245)=
• 455537055

b)+249×[-317×(193+227-35)-2315]=

• +249×(-317×385-2315)=
• +249×(-122045-2315)=
• +249×(-124360)=
• 30965640

c)+137×[+462-214+(-626+332+296)]=

• +137×(462-214×2)=
• +137×(462-428)=
• +137×34=
• 4658

Sper ca te-am ajutat