早教吧作业答案频道 -->其他-->
用简便方法计算.37+125+63+17575×56-56×28101×78125×32×25=36×99+366000÷125÷868×25×4=45×37+56×37-37=
题目详情
用简便方法计算. 37+125+63+175 | 75×56-56×28 |
101×78 | 125×32×25= |
36×99+36 | 6000÷125÷8 |
68×25×4= | 45×37+56×37-37= |
▼优质解答
答案和解析
(1)37+125+63+175
=(37+63)+(125+175)
=100+300
=400;
(2)75×56-56×28
=56×(75-28)
=56×47
=2632;
(3)101×78
=(100+1)×78
=100×78+1×78
=7800+78
=7878;
(4)125×32×25
=125×(8×4)×25
=(125×8)×(4×25)
=1000×100
=100000;
(5)36×99+36
=36×(99+1)
=36×100
=3600;
(6)6000÷125÷8
=6000÷(125×8)
=6000÷1000
=6;
(7)68×25×4
=68×(25×4)
=68×100
=6800;
(8)45×37+56×37-37
=37×(45+56-1)
=37×100
=3700.
=(37+63)+(125+175)
=100+300
=400;
(2)75×56-56×28
=56×(75-28)
=56×47
=2632;
(3)101×78
=(100+1)×78
=100×78+1×78
=7800+78
=7878;
(4)125×32×25
=125×(8×4)×25
=(125×8)×(4×25)
=1000×100
=100000;
(5)36×99+36
=36×(99+1)
=36×100
=3600;
(6)6000÷125÷8
=6000÷(125×8)
=6000÷1000
=6;
(7)68×25×4
=68×(25×4)
=68×100
=6800;
(8)45×37+56×37-37
=37×(45+56-1)
=37×100
=3700.
看了 用简便方法计算.37+125...的网友还看了以下:
解方程30%X+50%X=1525-10%X=590%X-20%=125%90%X÷23=5675 2020-04-07 …
直接写出得数.680+320=287+199=15×6=64+1.36=3.5+6.5=10-0. 2020-04-07 …
从某个总体中抽出10样本,测得数据为9 7 8 4 3 5 2 5 1 6求样本标准差s 样从某个 2020-05-16 …
脱式计算(能简算的要简算)20.9+10.5÷(5.2-3.5)3.5×0.7+5.5×0.7+0 2020-06-10 …
26.8-320%-6.8-680%5.2(60%+2.4÷0.6)3.7×125%+126.8- 2020-07-09 …
用简便方法计算下面各题973×5×2125×897×82×125×8×5195×25×450×5× 2020-07-09 …
0.125×72简便计算3.2×2.5简便计算0.93×99简便计算70.1×9.9简便计算0.9 2020-07-17 …
12道很难《六年级》得分数计算不怕得来!我有352分先给20分之后+50分《/是分数线》5/2-5/ 2020-10-31 …
(2011•汕头)直接写得数:0.77+1.33=12.5×2.5×8×0.4=(1.125-18) 2020-11-12 …
能简则简.(1)3/4+3/4÷3(2)1/3÷1/2-5/4x2/5(3)4/9÷[5/9-能简则 2020-11-26 …