17+150+183
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\(A=\left(-2\right)+\left(-2\right)+\left(-2\right)+\left(-2\right)=-8\)
\(B=\left(455-311-144\right)+789=789\)
\(C=183-150+120-183-150-20=120-20=100\)
(-183)x(26-17)-17x(183+26)
=-183x26-(-183x17)-17x183+17x26
=-183x26+17x26+(-183x17)-17x183
=26x(183+17)+0
=26x200
=5200
(-183).(26-17)-17.(183+26)
=(-183).26-(-183).17-(17.183+17.26)
=(-183).26-(-183).17-17.183-17.26
=(-183).26+(183.17-17.183)-17.26
=-183.26+0-17.26
=(-183+17).26
=-200.26
=-100.52
=-5200
1)
a) -(2+5) = -2 - 5 = -7
b) +(-3+6) = -3 + 6 = 3
c) (-50+3) = -50 + 3 = -47
d) -(-2+3) = 2 - 3 = -1
e) -(10-3) = -10 + 3 = -7
f) -(-3)-(-3+1) = 3 + 3 - 1 = 5
g) (-5)+(-2+10) = -5 - 2 + 10 = 3
2)
a) -50+120+(-150)-20+30
= -(50 + 20) + (120 + 30 - 150)
= -70
b) 265-70+(-65)-30+15
= (265 - 65) - (70 + 30) + 15
= 200 - 100 + 15 = 115
c) -17+185-183+(-85)-63
= (185 - 85) - (183 + 17) - 63
= 100 - 200 - 63 = -163
d) -30+60+(-170)-260+19
= -(170 + 30) - (260 - 60) + 19
= -200 - 200 + 19 = -381
a) \(17+188+183=205+183=388\)
b) \(80-\left[130-\left(12-4\right)^2\right]\)
\(=80-\left(130-64\right)\)
\(80-66=14\)
c) \(2^3.17-2^3.14\)
\(8.17-8.14\)
\(=8.\left(17-14\right)\)
\(=8.3=24\)
a) 17.(-183)+17.83
= 17.(-183+83)
= 17.100=1700
b) (-27).145+27.45
= 27.(-145)+27.45
= 27.(-145+45)
= 27.100=2700
c) -38.(25-4)+25.(-4+38)
= -38.25-(-38).4+25.(-4)+25.38
= -38.25+25.38+38.4+25.(-4)
= 0+38.4+(-25).4
= 4.(-25+38)
= 4.13=52
d) 23.(145-17)-145.(23-37)
= (23.145-23.17)-(145.23+145.37)
= [23.(145-17)]-[145.(23+37)]
= (23.128)-(145.60)
= 2944-8700=-5756
\(\dfrac{17}{98}< \dfrac{27}{148}< \dfrac{37}{183}< \dfrac{47}{223}\)
\(17+150+183\)
\(=150+(17+183)\)
\(=150+200\)
\(=350\)
17+150+183
= 17 + 150 + 183
=167 + 183
= 350