问题
解答题
脱式计算.
147+52×2
104÷2+497
351×(56÷7)
469-735÷7.
答案
(1)147+52×2
=147+104
=251;
(2)104÷2+497
=52+497
=549;
(3)351×(56÷7)
=351×8
=2808;
(4)469-735÷7
=469-105
=364.
脱式计算.
147+52×2
104÷2+497
351×(56÷7)
469-735÷7.
(1)147+52×2
=147+104
=251;
(2)104÷2+497
=52+497
=549;
(3)351×(56÷7)
=351×8
=2808;
(4)469-735÷7
=469-105
=364.