упростите выражение х+4,5х+9*(х+5,2)
х+4,5х+9(х+5,2)=х+4,5х+9х+46,8=14,5х+46,8
x+4.5x+9x+46.8=14.5x+46.8
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х+4,5х+9(х+5,2)=х+4,5х+9х+46,8=14,5х+46,8
x+4.5x+9x+46.8=14.5x+46.8