问题 解答题

怎样简便就怎样算

124×16+176×16

25-7.35-2.65

5.4+3.2+4.6+6.8

4800÷25÷4.

答案

(1)124×16+176×16,

=(124+176)×16,

=300×16,

=4800;

(2)25-7.35-2.65,

=25-(7.35+2.65),

=25-10,

=15;

(3)5.4+3.2+4.6+6.8,

=(5.4+4.6)+(6.8+3.2),

=10+10,

=20;

(4)4800÷25÷4,

=4800÷(25×4),

=4800÷100,

=48.

单项选择题