问题 计算题
计算下列各题,怎样简便就怎样算。
(1)63.4+5.9+35.6(2)500-17×13
(3)470-128-272(4)3000÷4÷25
(5)405÷15×(198-184)(6)99×33
(7)125×7×88(8)234×67+166×67
答案

(1)原式=63.4+35.6+5.9

                =104.9

(2)原式=500-17×(10+3)

                =500-170-51

                =279

(3)原式=470-(128+272)

                =70(4)原式=3000÷(4×25)

                =30

(5)原式=27×14

               =378(6)原式=(100-1)×33

                =3267

(7)原式=125×8×11×7

                =77000(8)原式=67×(234+166)

                =26800

选择题
选择题