A-A+
下面各题怎样算简便就怎样算:①14+34÷3 ②24÷0.8÷25 ③34×813+813÷
问题详情
下面各题怎样算简便就怎样算:
①
④2-
参考答案
①14+34÷3,
=14+14,
=12;
②24÷0.8÷25,
=30÷25,
=75;
③34×813+813÷4,
=34×813+813×14,
=(34+14)×813,
=1×813,
=813;
④2-712÷78-13,
=2-23-13,
=2-(23+13),
=2-1,
=1;
⑤0.2-(12-16)×35,
=0.2-13×35,
=0.2-15,
=0;
⑥(0.6+310)÷(1-110),
=0.9÷0.9,
=1.
考点: