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(15.4-7.8)x3.5简便计算
0.75*15+4.5*2.5 3.6*31.4+43.9*6.4
简便计算
答:
0.75*15+4.5*2.5 =45/4+45/4=45/2=22.5 3.6*31.4+43.9*6.4 =(1-6.4)*31.4+43.9*6.4 =31.4-6.4*(43.9-31.4)=31.4-32/5*5/2 =31.4-16 =
15.4
怎么算
简便计算
;3.28乘1.9+7.6 54.3乘0.8-
15.4
答:
3.28×1.9+7.6 =1.9×(3.28+4)=(2-0.1)×7.28 =14.56-0.728 =14.832 54.3×0.8-
15.4
=54.3×(1-0.2)-15.4 =54.3-10.86-15.4 =54.3-26.26 =28.04
9.题怎样
简便计算
答:
1.56×1.7+0.44×1.7-0.7 11.72-7.85-(1.26+0.46)10.64+7.65×2.4+11.76 12.9÷〔14.66-(1.3+8.2)〕9.83×(3.8-2.3)+1.5×6.17 6.752-〔4.7×(0.54-0.38)+2.8〕
15.4
÷〔8×(6.34-4.59)〕7000÷125=(7000×8)÷(125×8)6400÷800=(6400÷100)...
24.6 18.7
15.4
的
简便计算
答:
(24.6+
15.4)
+18.7 =40+18.7 =58.7
6.9+3.1÷0.2
简便计算
?
答:
6.9+3.1÷0.2 =(7一0.1)十3.1x5 =7一0.1+15.5 =7十(15.5-0.1)=7+
15.4
=22.4
14.6×27+540×0.77
简便计算
答:
14.6X27+540
X
0.77 =14.6X27+27X2X10X0.77(把540分解成27X2X10三个因数相乘的形式)=14.6X27+27X7.7X2 =27(14.6+
15.4)
=27X30 =810
简便计算
:39-2.83+
15.4
+24.6-1.17?
答:
39-2.83+15.4+24.6-1.17 =39-2.83-1.17+15.4+24.6 =39-(2.83+1.17)+
(15.4
+24.6)=39-4+40 =35+40 =75 希望能够帮到你,还望采纳谢谢!
nba得分排名
答:
.科比-布莱恩特(洛杉矶湖人) 77 40.8 31.6 10.6-22.8 46.3% 1.8-5.2 34.4% 8.7-10.0 86.8 2.卡梅隆-安东尼( 丹佛掘金) 65 38.2 28.9 10.6-22.4 47.6% 0.6-2.3 26.8% 7.1-8.7 80.8 3.吉尔伯特-阿里纳斯(华盛顿奇才) 74 39.8 28.4 8.7-20.9 41.8% 2.8...
棣栭〉
<涓婁竴椤
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