Question

能简便的要简便(25)(45 -34 )×23 ÷215 (26)2164÷24+5010(27)12.76-(4.76

Answer 1

(25)(45 -34 )×23 ÷215

=11×23÷215

=253÷215

=253/215

(26)2164÷24+5010

=541/6+5010

=30601/6

(27)12.76-(4.76+5.24)

=12.76-4.76-5.24

=8-5-0.24

=3-0.24

=2.76

(28)4.8÷1.2-0.15

=4-0.15

=3.85