早教吧作业答案频道 -->数学-->
(1)15.6×(1.8-1.3)(2)9.72×1.6-18.305÷7(3)49÷0.8÷0.49(4)50.9×101-50.9
题目详情
| (1)15.6×(1.8-1.3) | (2)9.72×1.6-18.305÷7 |
| (3)49÷0.8÷0.49 | (4)5 0.9×101-50.9 |
▼优质解答
答案和解析
| (1) 15.6×(1.8-1.3) =15.6×0.5 =7.8 | (2) 49÷0.8÷0.49 =49÷0.49÷0.8 =100÷0.8 =125 |
| (3) 9.72×1.6-18.305÷7 =15.552-2.615 =12.937 | (4) 50.9×101-50.9 =50.9×(101-1) =50.9×100 =5090 |
看了 (1)15.6×(1.8-1...的网友还看了以下：
请帮我算下这个数独的答案,{4,2,0,0,9,0,0,0,0}{5,0,7,3,0,0,0,0, 2020-04-26 …
lingo里没有向量的概念,只有集合的概念.那怎么样才能利用集合进行类似于向量的计算呢?比如a1= 2020-05-13 …
数学建模的lingo软件怎么用LINGO软件编程：MIN=X1+X2+X3+X4+X5;X1*(2 2020-05-16 …
大家快来看看这几道题怎么简算!我急用!0.071*1234+0.71*567.6+7.1*23.4 2020-05-16 …
直接写出得数0.25×8=3.02-1.5=0.4×0.4=2.4×2.5=1.6÷0.01=0÷ 2020-05-17 …
计算下列各题5×0.06=0.16÷4=0.4÷4=5.7÷3=2.7÷30=0.72÷8=15. 2020-05-17 …
1+2+3+6+5+4+7+4+4+4+4+4+4+4+4+4+4+4+4+4+4+5+5+2+2 2020-05-21 …
(0.3+0.4+0.5+0.6+1)x(0.3+0.4+0.5+0.6+0.999)-(0.3+ 2020-06-14 …
直接写出得数．0.5×4÷0.5×4=4.2-4.2×0.5=1.2÷4×1.2÷4=6.3+6.3 2020-11-19 …
我是口算小能手130×5=2+0.85=0.6×0.5=2.6×0.3=4×0.5=3.08×4=3 2020-12-08 …