(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?
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(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?(-5.25)x(-4.
(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?
(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?
(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?
(-5.25)*(-4.73)-4.73*(-19.75)-25*(-5.27)
=(-4.73)*[-5.25+(-19.75)]-25*(-5.27)
=(-4.73)*(-25)+(-25)*(-5.27)
=(-25)*(-10)
=250
(-5.25)x(-4.73)-4.73x(-19.75)-25x(-5.27)怎么求?
在方程正确的解后面打上√2.4x+1.8x=42 x=10 （） （x+13）/7=12 x=97 （）0.72×3-7x=0.06 x=0.3 （）解方程：5x-4.5×6=5.5 2x÷0.6=4.56x-1.25x=3.8 8x-3.7+5.2=6.312.4（x-2.6）=6.2 （4.73+x）÷4.73=1列方程,并求出方程的
如何用matlab解下面的方程b=4.73/2.75;a=(asech(4.73)-cos(4.73))/(csch(4.73)-sin(4.73));y=asech(b*x)+cos(b*x)-a*(csch(b*x)+sin(b*x));求解y＝0时的解x＝?我用solve老是出错啊? Undefined function or method 'solve' for input arguments o
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