问题
计算题
计算下列各题,怎样简便就怎样算。
|
答案
(1)原式=63.4+35.6+5.9
=104.9
=500-170-51
=279
(3)原式=470-(128+272)
=70
=30
(5)原式=27×14
=378
=3267
(7)原式=125×8×11×7
=77000
=26800
计算下列各题,怎样简便就怎样算。
|
(1)原式=63.4+35.6+5.9
=104.9
=500-170-51
=279
(3)原式=470-(128+272)
=70
=30
(5)原式=27×14
=378
=3267
(7)原式=125×8×11×7
=77000
=26800