脱式计算.(能用简便方法的就用简便方法计算)[8.5-(3.6+3.6)]÷2.6 10.1×8...
答案:1 悬赏:80 手机版
解决时间 2021-03-20 16:52
- 提问者网友:趣果有间
- 2021-03-20 00:01
脱式计算.(能用简便方法的就用简便方法计算)[8.5-(3.6+3.6)]÷2.6 10.1×8...
最佳答案
- 五星知识达人网友:第幾種人
- 2021-03-20 00:12
(1)[8.5-(3.6+3.6)]÷2.6
=[8.5-7.2]÷2.6
=1.3÷2.6
=0.5;
(2)10.1×87
=(10+0.1)×87
=10×87+0.1×87
=870+8.7
=878.7;
(3)1.4×[(7.5+38.4)÷0.9]
=1.4×[45.9÷0.9]
=1.4×51
=71.4.
=[8.5-7.2]÷2.6
=1.3÷2.6
=0.5;
(2)10.1×87
=(10+0.1)×87
=10×87+0.1×87
=870+8.7
=878.7;
(3)1.4×[(7.5+38.4)÷0.9]
=1.4×[45.9÷0.9]
=1.4×51
=71.4.
我要举报
如以上问答信息为低俗、色情、不良、暴力、侵权、涉及违法等信息,可以点下面链接进行举报!
大家都在看
推荐资讯