Question

1. Tính bằng cách thuận tiện nhất:

a) 125 * 3.75 * 0.08 * 2

=......................................................................................

=......................................................................................

b) 8.12 * 6 + 16.24 * 4 - 4.06 * 8

=......................................................................................

=......................................................................................

Answer 1

\(125\times3,75\times0,08\times2\)

\(=\left(125\times0,08\right)\times\left(3,75\times2\right)\)

\(=10\times7,5\)

\(=75\)