Question

(9×7+7×8)×4-(404:4+44:4):2

Answer 1

( 9 x 7 + 7 x8 ) x 4 - ( 404 : 4 + 44 : 4 ) : 2 =
( 63 + 56 ) x 4 - ( 101 + 11 ) : 2 =
119 x 4 - 112 : 2 =
476 - 56 = 420

Answer 2

(9×7+7×8)×4-(404:4+44:4):2=
(63+56)×4-(101+11):2=
119×4-112:2=
476-56=
420
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