0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25

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0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25
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0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25
0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25

0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25
0.05*3.18*400
=0.05*400*3.18
=20*3.18
=63.6

【1.25+1.25+0.125】*0.8
=1.25*0.8+1.25*0.8+0.125*0.8
=1+1+0.1
=2.1

7.5*100.1
=7.5*（100+0.1）
=7.5*100+7.5*0.1
=750+0.75
=750.75

0.25*83.6-4.36*0.25
不能简便

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0.05*3.18*400
=0.05*400*3.18
=20*3.18
=63.6
【1.25+1.25+0.125】*0.8
=1.25*0.8+1.25*0.8+0.125*0.8
=1+1+0.1
=2.1
7.5*100.1
=7.5*(100+0.1)
=7.5*100+7.5*0.1
=750...

全部展开

0.05*3.18*400
=0.05*400*3.18
=20*3.18
=63.6
【1.25+1.25+0.125】*0.8
=1.25*0.8+1.25*0.8+0.125*0.8
=1+1+0.1
=2.1
7.5*100.1
=7.5*(100+0.1)
=7.5*100+7.5*0.1
=750+0.75
=750.75
0.25*83.6-4.36*0.25
=0.25*(83.6-4.36)
=0.25*79
=0.25*(80-10
=0.25*80-0.25*1
=20-0.25
=19.75

收起

0.05×3.18×400
＝0.05×400×3.18
＝20×3.18
＝63.6
（1.25+1.25+0.125）×0.8
＝1.25×0.8+1.25×0.8+0.125×0.8
＝1+1+0.1
＝2.1
7.5×100.1
＝7.5×（100+0.1）
＝7.5×100+7.5×0.1
＝750+...

全部展开

0.05×3.18×400
＝0.05×400×3.18
＝20×3.18
＝63.6
（1.25+1.25+0.125）×0.8
＝1.25×0.8+1.25×0.8+0.125×0.8
＝1+1+0.1
＝2.1
7.5×100.1
＝7.5×（100+0.1）
＝7.5×100+7.5×0.1
＝750+0.75
＝750.75
0.25×83.6-4.36×0.25
＝0.25×（83.6-4.36）
＝0.25×79.24
＝39.62

收起

0.05*3.18*400 【1.25+1.25+0.125】*0.8 7.5*100.1 0.25*83.6-4.36*0.25 3.18+1.25×0.3÷1.5简便计算, 1.25×0.25×0.05×64简便算法 简便计算 1.25×0.25×0.05×64 简便计算 1.25×0.25×0.05×64 简便计算:1.25X48 3.18X3.6+3.18X3.6 7.2乘10.1 解方程:0.7(3+×)=2.8 5.2x-x=29.4 简便计算:1.25X48 3.18X3.6+3.18X3.6 7.2乘10.1 解方程:0.7(3+×)=2.8 5.2x-x=29.4 求比值：0.25:3,0.05:3,2.45:1.4,1.25:0.25 0.02 ,0.05 ,2.4,1.25,1.125,3.625,1.2,0.85 (0.1x+0.05)÷0.2-(0.2x-0.05)÷0.5+1.25=0(解方程) 数学题400除以1.25简便怎么算 一元一次方程去括号与去分母：0.2分之（0.1y+0.05）+1.25=0.5分之（0.2y-0.05） 1.32：12 2.3.5:1.25 3.0.05:3 4.1:0.05 6.2.45:1.4 [求比值】 先找规律,再按规律填数.1.25 0.25 0.05 0.01 ( ) ( ) ( ) 简算(纯属送分)6.5/1.25/84.9*4+5.1/0.251.25*0.25*0.05*64 0.25×1.25×0.05÷64分之1就今天一天时间! 3.18化成分数 (-6.82)+3.78+(-3.18)+(-3. 0.25增加5倍是1.25,缩小到1/5是（ ）,减少0.05是（ ）.填空题