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39x4x5简便计算
怎样
简便计算
1到100的乘法算式?
答:
x(41x42x43
x4
4x45x46x47x48x49x50)x(51x52
x5
3x4x55x56x57x58x59x60)x(61x62x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 好象是这么算得 应该最
简便
了 你
算算
看 ...
怎么用1到100的数字算出乘数呢?
答:
x(41x42x43
x4
4x45x46x47x48x49x50)x(51x52
x5
3x4x55x56x57x58x59x60)x(61x62x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 好象是这么算得 应该最
简便
了 你
算算
看 ...
如何
计算
两个数的积?
答:
x(41x42x43
x4
4x45x46x47x48x49x50)x(51x52
x5
3x4x55x56x57x58x59x60)x(61x62x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 好象是这么算得 应该最
简便
了 你
算算
看 ...
怎么算乘除混合
运算
?
答:
x(41x42x43
x4
4x45x46x47x48x49x50)x(51x52
x5
3x4x55x56x57x58x59x60)x(61x62x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 好象是这么算得 应该最
简便
了 你
算算
看 ...
如何算1+1/2+1/3+.+1/ n
答:
x(41x42x43
x4
4x45x46x47x48x49x50)x(51x52
x5
3x4x55x56x57x58x59x60)x(61x62x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 好象是这么算得 应该最
简便
了 你
算算
看 ...
用
简便
方法
计算
,50X209
X4
?
39
Ⅹ49十61X49?125X4X8X25?(40十6)X25_百度...
答:
125x26
x4X
8X5X20X25=(125x8)x(25x4)x(20
x5
)x26=1000x100x100x26=260000000(详情查看)(详情查看)(详情查看)(详情查看)(详情查看)
15X1=15,14X2=28,13X3=
39
,12
X4
=48,11
X5
=55,10X6=60,9X7=63.有什么发 ...
答:
第一个因数是逐个减少1,第二个因数是逐个加1.接下来的算式是8×8=64
解答:1x2x3
x4x5
x6x7x8x9x10x11···x100=?
答:
100的阶乘=9.33262154 × 10^1571乘到100就是100的阶乘,数学符号是:100!具体得数是:9.332621544394415268169923885626e+157(e+157指10的157次幂),用
计算
器中的阶乘算最快。一个正整数的阶乘(factorial)是所有小于及等于该数的正整数的积,并且0的阶乘为1。自然数n的阶乘写作n!。1808年,基...
109x39-
39x4
-
4x
34
答:
109x39-
39x4
-
4x
34 =39x(109-4)-4x34 =39x100+
39x5
-4x34 =3900+5x5+34x5-4x34 =3900+25+34x(5-4)=3825+34 =3859
3/7乘5/9乘28乘45
简便计算
怎麼做
答:
5/8 5/6刻起来乘以4/25用
简便计算
怎麼做 (5/8+5/6)
x4
/25 =(4/8+4/6)
x5
/25 =(1/2+2/3)x1/5 =(3/6+4/6)x1/5 =7/6x1/5 =7/30 50乘5/1除以500/1乘5000/1,简便计算 50×1/5÷1/500×1/5000 =50×1/5×500×1/5000 =1
39
/57乘28加28/...
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