早教吧作业答案频道 -->其他-->
用简便方法计算.4.37×6.3+4.37×3.72.64÷1.25÷0.810.2×0.45.
题目详情
用简便方法计算.
4.37×6.3+4.37×3.7 | 2.64÷1.25÷0.8 | 10.2×0.45. |
▼优质解答
答案和解析
①4.37×6.3+4.37×3.7,
=4.37×(6.3+3.7),
=4.37×10,
=43.7;
②2.64÷1.25÷0.8,
=2.64÷(1.25×0.8),
=2.64÷1,
=2.64;
③10.2×0.45,
=(10+2)×0.45,
=10×0.45+2×0.45,
=4.5+0.9,
=5.4.
=4.37×(6.3+3.7),
=4.37×10,
=43.7;
②2.64÷1.25÷0.8,
=2.64÷(1.25×0.8),
=2.64÷1,
=2.64;
③10.2×0.45,
=(10+2)×0.45,
=10×0.45+2×0.45,
=4.5+0.9,
=5.4.
看了 用简便方法计算.4.37×6...的网友还看了以下:
6.3÷0.021=1.5÷0.03=0.43×5=0.7×8-0.6=72÷24=5×0.7=6 2020-04-07 …
直接写出得数.31+47=9×5=710-420=46-18=380+530=6×6=810-49 2020-04-07 …
口算:31+47=9×5=710-420=46-18=380+530=6×6=810-490=34 2020-04-07 …
口算.0.46-0.06=3.7+4.3=1+0.55=4.6-1.8=0.65+0.32=10- 2020-04-07 …
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 …
直接写得数.30×20=80×60=45×20=618÷6=810÷9=2800÷4=70×15= 2020-06-11 …
82×4+21=13×4÷2=95-32×2=583-378-22=125×40=8×25=420 2020-06-14 …
在10.1、0.8、0.799、810中最大的数是,最小的数是,相等的数是和810810. 2020-07-22 …
计算:(1)(-a3)2•(-a2)3(2)-1027×957(3)(22000-21999)0-( 2020-10-30 …
直接写出得数6.9-6=0.9+0.6=1-0.09=0.9+0.1=2.7+2.2=0.2+0.8 2020-11-04 …