Question

Tính nhanh
a) 54, 76 - (10 + 4,76) =
b) 39, 52 - 23, 48 + 20, 48 - 26, 52 =

Answer 1

a)

\(54,76-(10+4,76)\)

\(=54,76-14,76\)

\(=40\)

b)

\(39, 52 - 23, 48 + 20, 48 - 26, 52\)

\(=16,04+20,48-26,52\)

\(=36,52-26,52\)

\(=10\)

Answer 2

Cần gấp ạ

Answer 3

a: =54,76-10-4,76=50-10=40

b: =60-50

=10