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索尼x99和x9
...它的外尺寸是1X4
X9
。这只集装箱最多能装( )
答:
反正你就是要算1*4*9的货装18*18*18的容器可以装多少个,我用装箱大师软件计算的,可以装160个
我想在matlab中定义一个符号向量,例如:y=[x1,x2,x3, ... ,
x99
],该...
答:
直接的方法还没有找到,不过有一个间接的方法,编程,在一个文件中写入“y=[x1,x2,x3, ... ,
x99
]”,然后再复制出来。结果如下:y=[x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15, x16, x17, x18, x19, x20, x21, x22, x23, x24, x25, x26,...
4.578 45.78
x9.9
怎样算简算
答:
4.578+45.78
x9.9
=4.578+4.578x10x9.9 =4.578x(1+10x9.9)=4.578x100 =457.8
简便方法计算0.86 8.6
X9.9
=
答:
0.86+8.6
X9.9
=0.86+0.86
X99
=0.86x(99+1)=0.86x100 =86
88x0.25
x9
x11脱式计算
答:
原式=88×1/4×9×11 =22×9×11 =22×(10-1)×(10+1)=22×(100-1)=2200-22 =2178
简便运算:1 (4.5
x9.9
+5.5x9.9)x2.8 2 7.8*99+3.9*2 3(1.9-1.9*0.9)/...
答:
1 =(4.5+5.5)
x9.9
x2.8 =10x9.9x2.8 =99x2.8 =(100-1)x2.8 =28-2.8=25.2 2 =7.8
x99
+3.9x2 =7.8x(99+1)=7.8x100 =780 3 =1.9x(1-0.9)/1 =0.19 希望能帮你忙,不懂请追问,懂了请采纳,谢谢
72.6
x9.9
+7.
答:
7.26
x99
+7.26 =7.26x(99+1)=7.26x100 =726
0.81 8.1
x9.9
怎样简便运算?
答:
0.81+8.1
x9.9
=0.81+0.81
x99
=0.81×(1+99)=0.81x100 =81
0.532+5.32
x9.9
怎样简算
答:
0.532+5.32
x9.9
=0.532+0.532
x99
=0.532x100=53.2 也可以是=53.2x0.01+53.2x0.99=53.2x1=53.2
0.33 9.9
x9.9
0.66的简便计算?
答:
0.33 +9.9
x9.9
+ 0.66 =9.9x9.9+(0.33+0.66)=0.99
x99
+0.99 =0.99x(99+1)=0.99x100 =99
棣栭〉
<涓婁竴椤
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涓嬩竴椤
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