11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
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11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
11.1-3.26-2.64-4.1
=11.1-4.1-(3.26+2.64)
=7-6
=1
7.12-3.7+4.88-2.3
=7.12+4.88-(3.7+2.3)
=12-6
=6
8.1除0.18
=(0.9*9)/(0.9*0.2)
=9/0.2
=45
10.1*8.6
=(10+0.1)*8.6
=10*8.6+0.1*8.6
=86+0.86
=86.86
6.3/(0.7*5)
=(9*0.7)/(0.7*5)
=9/5
4.6*2.3+0.54*23
= 4.6*2.3+5.4*2.3
=(4.6+5.4)*2.3
=10*2.3
=23
11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
11.1-3.26-2.64-4.1 7.12-3.7+4.88-2.3 8.1除0.18 10.1*8.6 6.3/(0.7*5) 4.6*2.3+0.54*23 简便运算
11.1×37+99.9×7简便计算
简算(88.9*7+11.1*37)
11.1*37+99.9*7简便运算
8888*7+11.1*44的简便方法
简便计算:1.36-1 2/7+2.64-5/7
matlab多项式曲线拟合问题现有两组离散的数据X=[1,2,3,4,5,6,7,8,20,21,22,23,27,28,31,32,33]与之对应的y=[3.5,3.8,3.9,4.1,4.3,4.5,4.4,4.8,8.9,9.0,9.2,9.6,9.9,10.5,11.1,12.0,12.5],如何编写程序拟合出一个曲线来估计x中
4.1:12.3=7分之1:x
简算 11.1×37+99.9×7 399.6×9-1998×0.8
11.1(1000 个1)/7余数是多少?
〈11.1.
.4.5*3.26+9.7*6.74+3.26*5.2简便运算4.5*3.26+9.7*6.74+3.26*5.2简便
葡萄糖3.26高吗,
3.26*5.7-32.6*0.07
(-1.3)+(-2.64)+(3.3)+(-1.36),
把下列个数用大雨符号连接起来-24分之23,0,-(-7分之6),+(-6分之7),-(+3.26),-3分之4
2.64/7+3.36*7分之1+7分之1用简便方法计算51分之23*24用简便方法计算