Question

7) a) [+427–(+401–86):(–217+681–359)]:(–212) =
b) –710: [+139–(+432–579–156):(–322+423)]) =
c) –628:[+153–(+578–237–429):(–217–341+580)] =
d) –420:[+147–(+284–168–144):(–304+158+142)] =
e) [(+372–184–168):(+156–278+102)–523]:(+131) =
f) [(+174–521+121):(–384+912–415)–373]:(+125) =
g) [(+172–489+237):(–815+617+118)–433]:(+144) =
h) [(–632+147+279):(+453–199–151)–283]:(+95) =
i) [(–143+891–534):(+536–231–412) –412]:(+138) =
j) [(+623–495–384):(–321+245+332) –417]:(+209) =
8) a) –5∙{+7+[+9+(–2–5+3)∙(–6+2+5)]:(–5)} =
b) {–3∙[–5–(+4–6–2):(–9+2+3)–10]}:(–8) =
c) {+1–[+7–(+8+9–5):(+6–7–5)]:(–3)}:(–2) =
d) –2∙{–9–[+8–2∙(–3+1–6)]:(–9+7–4)} =
e) {–3∙[–6+(+2–5+7)∙(–3+5–2)]–9 }:(+6–1–2) =
f) {+9–[–8–(–8):(–2)+(–9):(–3)]:(–3)}:(–3) =
g) {+7–[–1–(–5+2–7):(–5)+8]:(–5)}:(–2)=
h) {+2–[+6–4:(–2)+6:(–2)+3]:(–2)}:(–2) =
i) {+5–[–6–3:(+3)–4:(–4)+8]:(–2)}:(–2) =
j) {+3–[+6–(–8+2+1):(–5)–4:(+2)]:(–3)}:(–2) =
9) a) {+37+[+82–(–25+36–29):(+82–57–34)]:(–16)}:(–16) =
b) {+2–[+45–67∙(–79+26+53)]:(+27–42)}:(–15) =
c) {–15– [+23–(+71–63–40):(+39–55)]:(–3)}:(–2) =
d) {+26+[–45–(+76–29–44)∙(–25+61–39)]:(–9)}:(–3) =
e) +84:{+37–[–53–68:(–49+31+52)]:(+27+15–31)} =
f) +51:{ –6∙[–19–(+32–15–27)∙(–67+23+45)]–37} =
g) {+37–[–89–5∙(+32–61+43):(–2)]:(–6)}:(–7) =
h) {+73–[(+83–45–59):(+34–89+48)–28]:(–5)}:(–4) =
i) {[(+81–95–32):(–78+27+74)–73]:(+25)+84}:(–27) =
j) {[(–38+17+59):(+49–31–20)–45]:(–16)+32}:(–18) =
10) a) {+427–[+626–248:(–124) –528:(1763)]:(–125)}:(–144) =
b) {–124+[+712–(–248+196+234–182):(–624+246+348–124)]:(+178)}:(+120) =
c) {–171–[(+256–132–176+104):(–406+213+245)–189]:(+188)}:(+170) =
d) {+433–[(+396–182–146):(+328–214–308+126)–124]:(+125)}:(+217) =
e) {–275:[(+382–144–168):(+471–248–315+127)–277]–143}:(+144) =
f) +916:{[+216–(+378–224–286+192):(+362–214–168)]:(+219) –459} =
g) {+167– [(–246+186+232–148):(–177+281–308+216)–488]:(+243)}:(+169) =
h) {–149–[(–186+138+136):(+235–171–108)–154]:(+156)}:(+148) =
i) –90:{+47–[–68–(32):(–16)–(+46):( –23)]:(–34) } =
j) +84:{–49+[–84–(–99):(–11):(–3)+(+63):(–21)]:(–12)} =

Answer 1

Sper că te-am ajutat!