2 mũ3 .19-2 mũ3.14+1 mũ 2020 10 mũ 2 -[60:(5 mũ6 :5 mũ 4 -3.5)] 160:{17+[3 mũ 2.5-(14+2 mũ 11:2 mũ 8)]} 798+100:[16-2. (5 mũ 2 – 22 )]

+, $2^{3}$ . 19 – $2^{3}$ . 14 + $1^{2020}$

= $2^{3}$ .(19 – 14) + 1

= 8 . 5 + 1

= 40 + 1

= 41

+, $10^{2}$ – [60 : ($5^{6}$ : $5^{4}$ – 3 . 5)]

= $10^{2}$ – 60 : ($5^{2}$ – 3 . 5)

= 100 – 60 : [5(5 – 3)]

= 100 – 60 : (5.2)

= 100 – 60 : 10

= 100 – 6

= 94

+, 160 : {17 + [$3^{2}$ . 5 – (14 + $2^{11}$ : $2^{8}$)]}

= 160 : {17 + [$3^{2}$ . 5 – (14 + $2^{3}$)]}

= 160 : {17 + [9 . 5 – (14 + 8)]}

= 160 : {17 + [45 – 22]}

= 160 : {17 + 23}

= 160 : 40

= 4

+, 798 + 100 : [16 – 2 .($5^{2}$ – 22)]

= 798 + 100 : [16 – 2 .(25 – 22)]

= 798 + 100 : [16 – 2 . 3]

= 798 + 100 : 10

= 798 + 10

= 808