1.5×1052.33×0.5×424.6+18.7+15.41.2×2.5+0.8×2.52.05÷0.82+33.69.07-22.78÷3.4.
答案:2 悬赏:10 手机版
解决时间 2021-01-03 21:43
- 提问者网友:niaiwoma
- 2021-01-02 21:21
1.5×1052.33×0.5×424.6+18.7+15.41.2×2.5+0.8×2.52.05÷0.82+33.69.07-22.78÷3.4.
最佳答案
- 五星知识达人网友:長槍戰八方
- 2021-01-02 22:52
解:(1)1.5×105
=1.5×(100+5)
=1.5×100+1.5×5
=157.5;
(2)2.33×0.5×4
=2.33×(0.5×4)
=2.33×2
=4.66;
(3)24.6+18.7+15.4
=24.6+15.4+18.7
=40+18.7
=58.7;
(4)1.2×2.5+0.8×2.5
=2.5×(1.2+0.8)
=2.5×2
=5;
(5)2.05÷0.82+33.6
=2.5+33.6
=36.1;
(6)9.07-22.78÷3.4
=9.07-6.7
=2.37;
故
=1.5×(100+5)
=1.5×100+1.5×5
=157.5;
(2)2.33×0.5×4
=2.33×(0.5×4)
=2.33×2
=4.66;
(3)24.6+18.7+15.4
=24.6+15.4+18.7
=40+18.7
=58.7;
(4)1.2×2.5+0.8×2.5
=2.5×(1.2+0.8)
=2.5×2
=5;
(5)2.05÷0.82+33.6
=2.5+33.6
=36.1;
(6)9.07-22.78÷3.4
=9.07-6.7
=2.37;
故
全部回答
- 1楼网友:逃夭
- 2021-01-03 00:03
我明天再问问老师,叫他解释下这个问题
我要举报
如以上回答内容为低俗、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!
点此我要举报以上问答信息
大家都在看
推荐资讯