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6.47乘52家64.7乘4.8用简便计算,
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推荐答案 2016-09-13
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第1个回答 2016-09-13
6.47x52+64.7x4.8
=6.47x(52+10x4.8)
=6.47x(52+48)
=6.47x100
=647
谢谢,请采纳
第2个回答 2016-09-13
6.47×52+64.7×4.8
=6.47×52+6.47×48
=6.47×(52+48)
=647
相似回答
简便计算
:
6.47
x52+
64.7
x
4.8
【请全部用递等式计算】 0.41x1.59-4.83x...
答:
6.47
x52+
64.7
x4.8 =6.47x52+6.47x48 =6.47x(
52
+48)=6.47x10 =647 0.41x1.59-4.83x0.59+4.42X0.59 =0.41x1+0.41x0.59-4.83x0.59+4.42X0.59 =0.41+0.59x(0.41-4.83+4.42)=0.41+0 =0.41
简便计算
(6,47x52十64,7x4,8)
答:
6.47
*
52
+
64.7
*
4.8
=64.7*
5.2
+64.7*4.8=64.7*(5.2+4.8)=64.7*10=647
6.47
✘
52
+
64.7
✘
4.8
怎样
简便
怎样算?
答:
可以把
6.47
扩大十倍,52缩小十倍,然后用
64.7乘以5.2
+
4.8
=10结果是647
6.47
*
52
+
64.7
*
4.8
答:
6.47*52+64.7*4.8 =6.47×52+6.47×48 =6.47×(52+48)=6.47×100
=647
6.47
52
64.7
4.8
怎样
简便计算
答:
6.47
×
52
+
64.7
÷
4.8
=6.47×(52+48)=6.47×100 =647 中意stp保温工程的回答,请采纳。
一道难题,求学霸指点,谢谢
答:
回答:百度一下。
简便计算
答:
=5.88X2/0.7 =(5.88/0.7)X2 =8.4X2 =16.8.(2) 20.6-9.08除以0.86=20.6-(903/86)= 20.6-10.5 =10.1.(3) 63除以1.4除以3.6=63X(10/14)X(10/36)=(7X9)X(2X5/2X7)X(2X5/4X9)=25/2 =12.5.(4) 19.44除以2.7+40.8=7.2+40.8 =48.(5)...
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