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a)120-[7.20-(134-110).5]
=120-20
=100
b)1987-200.8+1005:5
=1987-1600+201
=588
c)387.2694+7305.387+387
=1042578+2827035+387
=3870000
d)248:{[368+232):120-3]+122}+2016
=248:124+2016
=2+2016
=2018
a)120-[7.20-(134-110).5]
=120-20
=100
b)1987-200.8+1005:5
=1987-1600+201
=588
c)387.2694+7305.387+387
=1042578+2827035+387
=3870000
d)248:{[368+232):120-3]+122}+2016
=248:124+2016
=2+2016
=2018
a, 1987 - 200 .8 +1005 : 5
= 1987 - 1600 + 201
=387 + 201
=588
b, 3687 + 9541 +6313
=19 541
c,248 : {[(368+232):120-3]+122}+2006
=248 :{[600:100-3]+122}+2006
=248 :{[6-3]+122}+2006
=248:{2+122}+2006
=248:124+2006
=2+2006
=2008
248 :{[( 368 +232 ): 120 - 3 ] + 122} +2011
= 248 : {[( 600:120 )-3] + 122} + 2011
= 248 :{5-3+122 } +2011
= (248 : 124) + 2011
= 2 + 2011
= 2013
248:{[ 368+232):120-3]+122}+2011
= 248 {[ 600 :120 -3] + 122} + 2011
= 248 :{ 2+122} + 2011
= 2 + 2011
=2013
a) 248: {[( 368+232): 120-3]+122}+2011
=248:{[600:120-3]+122}+2011
=> 248:{ 2+122}+2011
=> 248: 124+2011
=> 2+2011
=> 2013
248:{ [ ( 368+232):120-3 ]+12}
=248:{ [ 600:120-3 ]+12}
=248:{ [ 5-3 ]+12 }
=248:{2+12}
=248:14
=124/7
=124/7
248:{[(368+232):120-3]+12}
=248:{[600:120-3]+12}
=248:{[5-3]+12}
=248:{2+12}
=248:14
=17,714......
a) A=(11+25)+(13+23)+(15+21)+(17+19)=4.36=144
b) B=248:[(600:120-3)+122]+2013=248:(2+122)+2013=2+2013=2015
c) C=(516+165)(317-310).(24-24)=0
a.120-[7.20-(134-110).5]
=120-(7.20-24.5)
=120-(140-120)
=120-20
=100
b.1987-200.8+1005:5
=1987-1600+201
=588
C, 387.2694+7305.387+387
=387.(2694+7305+1)
=387.10000
3870 000
d,
d.248:{[(368+232):120-3]+122}+2016
=248:{(600:120-3)+122}+2016
=248:(2+122)+2016
=248:144+2016
=2+2016
=2018