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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
387.2694+7305.387+387
=387.2694+7305.387+38.1
=387.(2694+7305+1)
=387.10000
=3870000
a)387.2694+7305.387+387
= 387.2694+7305.387+387.1
=387.(2694+7305+1)
=387.10000
=3870000
387.2694+7305.387+387
=387.2694+7305.387+387.1
=387.(2694+7305+1)
=387.10000
=3870000
a) \(47.33+47+66.47=47.\left(33+1+66\right)=47.100=4700\)
b) \(24.57+43.24=24.\left(57+43\right)=24.100=2400\)
c) \(387.2694+7305.387+387=387.\left(2694+7305+1\right)=387.10000=3870000\)
d) \(563.78-26.563+563.48=563.\left(78-26+48\right)=563.100=56300\)
a. 47.33 + 47 + 66.47
= 47.(33 + 1 + 66)
= 47 . 100
= 4700
b. 24.57 + 43.24
= 24. (57 + 43)
= 24 . 100
= 2400
c. 387 . 2694 + 7305.387 + 387
= 387. (2694 + 7305 + 1)
= 387 . 10000
= 3870000
d. 563 . 78 - 26.563 + 563.48
= 563. (78 - 26 + 48)
= 563 . 100
= 56300
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