Question

[290+(29×6-102:3):7-150:3]:4

Answer 1

=[290+(174-34):7-150:3]:4
=(290+140:7-150:3):4
=(290+20-50):4
=(310-50):4
=260:4
=65

Answer 2

[290+(29x6-102:3):7-150:3]:4
=[290+(174-102:3):7-150:3]:4=
=[290+(174- 34 ) :7- 150:3 ] :4 =
= ( 290 + 140 :7 -150 :3 ) :4 =
= ( 290 + 20 - 150 :3 ) :4 =
= ( 290 + 20 - 50 ) :4 =
= ( 310 - 50 ) :4 =
= 260 :4 =
= 65 .
   
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