2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?
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2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?单击开始,所有
2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?
2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?
2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?
单击开始,所有程序,附件,计算器!输入2.6+2.8+3.5+1.7+1.3+2.1+4.2X4,再按=得出答案30.8!
懒鬼
2.6+2.8+3.5+1.7+1.3+2.1+4.2X4=?
1.3分之1（6+x）=2.8 2.9*3-1.7x=13.4
1.3分之1（6+x）=2.8 2.9*3-1.7x=13.4
路宽3.5米,门宽2.8米,直角,车能开进去吗车宽1.7米，车长3990米
matlab总是显示Vectors must be the same lengths,请大师帮忙,我记录了一组数据,想画数据图,但是总是运行不了,程序如下：>> x=0.4:0.5:0.6:0.7:0.8:0.9:1:1.1:1.2:1.3:1.4:1.5:1.6:1.7:1.8:1.9:2:2.1:2.2:2.3:2.4:2.5:2.6:2.7:2.8:2
(9.1+2.6)÷1.3
2.8：3.5咋写
1.3.2.6.4.12.( ).( ).16.48快.
1.3/0.5+2.6*0.9简算
1.3 2.4 3.5 4.6
7.74*（2.8-1.3)+1.5*2.26
2.8-1.3x=0.2
f（x）=5x^5+2x^4+3.5x^3-2.6x^2+1.7x-0.8,用秦九韶法计算多项式当x=5时
1.1,1.7,2.3,2.9,3.5,( )
{1.7+1.7*（5.8-2.8）}+（1.75/1.4） 简便计算
( 2.8 + 3.85 ÷ 3.5 ) × 4.6
1.7x+2.8x=13.5方程
5.6×2.6+2.8×0.44的简便算法