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x52和x62
三位数乘以两位数竖式
答:
三位数乘以两位数竖式如下:983x46=、958x59=、724x92=、812x85=、255x65=、972x39=、139x94=、364x94=、918x87=、635x10=、912x51=、892 x70=、949x41=、834x44=、458x78=、507x67=233x28=、496x25=、157
x62
=、665x70=。772x31=、178x73=、839x46= 、701x41=、785x78=、...
天龙八部
62
-68的手工有哪些?分别叫什么?(好像每个阶段都有一个系列...
答:
缝纫七级 布帽
62
级:七星冠 = 槿麻
x52
+ 纫革7级x36 + 高级布片x48 + 帽子打造图7级x1 皮帽62级:赤瑶帽 = 槿麻x52 + 纫革7级x36 + 高级布片x48 + 帽子打造图7级x1 铁帽62级:隐狼盔 = 槿麻x52 + 纫革7级x36 + 高级布片x48 + 帽子打造图7级x1 布鞋64级:七星鞋 = ...
68
x62
-58
x52
怎么巧算
答:
因为68与58相差10
62与
52也是相差10 可以吧原式写成68×62-(68-10)×(62-10)这样的话运算就简单了 变成680+620-100=1200就可以了 以此类推 73×45-63×35也是同样的道理 这式子就成了730+450-100=1080了 再推 当A×B-C×D时 如果A-C=B-D=Z 那么该式的值就可以写成:A×B...
如何计算两个数的积?
答:
可以这样: 1x2x3x4x5x6x7x8x9x10x11x12x13x14x15x16x17x18x19x20x21x22x23x24x25x26x27x28x29x30x31x32x33x34x35x36x37x38x39x40x41x42x43x44x45x46x47x48x49x50x51
x52
x53x4x55x56x57x58x59x60x61
x62
x63x64x65x66x67x68x69x70x71x72x73x74x75x76x77x78x79x80x81x82x83x84x85...
关于lingo中求最大值的问题
答:
maxq 改为max就好了。
1到100的阶乘用字母表示是多少
答:
x(31x32x33x34x35x36x37x38x39x40)x(41x42x43x44x45x46x47x48x49x50)x(51
x52
x53x4x55x56x57x58x59x60)x(61
x62
x63x64x65x66x67x68x69x70)x(71x72x73x74x75x76x77x78x79x80)(81x82x83x84x85x86x87x88x89x90)x(90x91x92x93x94x95x96x97x98x99x100) 数太 100!
lingo 错误代码1017
答:
改成这样 无界解 max=100*(x11+x21+x31+x41+x51+x61) + 60*(x12+x22+x32+x42+
x52
+
x62
)+8*(x13+x23+x33+x43+x53+x63)+40*(x14+x24+x34+x44+x54+x64)+110*(x15+x25+x35+x45+x55+x65)+60*(x16+x26+x36+x46+x56+x66)+30*(x17+x27+x37+x47+x57+x67)-5*(x11...
已知一组数据:x1,
x
2,x3,x4,x5,x6的平均数是2,方差是3,则另一组数据:3x...
答:
由题知,x1+x2+x3+x4+x5+x6=2×6=12,S12=16[(x1-2)2+(x2-2)2+(x3-2)2+(x4-2)2+(
x5-2
)2+(
x6-2
)2]=16[(x12+x22+x32+x42+
x52
+
x62
)-4(x1+x2+x3+x4+x5+x6)+4×6]=3,∴(x12+x22+x32+x42+x52+x62)=42.另一组数据的平均数=16[3x1-2+3x2-...
怎样简便计算1到100的乘法算式?
答:
可以这样: 1x2x3x4x5x6x7x8x9x10x11x12x13x14x15x16x17x18x19x20x21x22x23x24x25x26x27x28x29x30x31x32x33x34x35x36x37x38x39x40x41x42x43x44x45x46x47x48x49x50x51
x52
x53x4x55x56x57x58x59x60x61
x62
x63x64x65x66x67x68x69x70x71x72x73x74x75x76x77x78x79x80x81x82x83x84x85...
怎么算乘除混合运算?
答:
可以这样: 1x2x3x4x5x6x7x8x9x10x11x12x13x14x15x16x17x18x19x20x21x22x23x24x25x26x27x28x29x30x31x32x33x34x35x36x37x38x39x40x41x42x43x44x45x46x47x48x49x50x51
x52
x53x4x55x56x57x58x59x60x61
x62
x63x64x65x66x67x68x69x70x71x72x73x74x75x76x77x78x79x80x81x82x83x84x85...
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