Question

.(12•12+:12)•12
E.[(609:3+72:3)•3-75•8]•2+0:9
F.3•[90:45+2•(69:13+10)]+105:3
I.{8+12•[1000-75:24•;198:3:2)]}:4

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Answer 1

(12x12+12)x12=
(144+12_x12=1872

e=[(609:3+72:3)x3-75x8]x2+0:9=
e=[(203+24)x3-600]x2+0:9=
e=(227x3+600)x2+0:9=
e=1281x2+0
e=2562


f=3x[90:45+2x(69:13+10)]+105:3=
f=3x(2+2x(5.30+10)]+105:3=
3x(2+2x15.3)+35=
3x(2+30.6)+35=
3x32.6+35=
97.8+35=132.8

i={8+12x[1000-75:24x(198:3:2)]}=
i={8+12x[1000-3.125x33)]=
i=[8+12x(1000-103.125)=
i=8+12x896.875=
i=8+10762.5=10770.5