9x+3+2x=35
231*siedem ósmych - 3,4*0,01=
21*jedna trzecia*0,5 - 38*jedna piąta=
39+jedna trzecia*7 i jedna piąta+4,5 *2=
294:4*jedna siódma - 31,3=
jedna siódma*(241*trzy siódme*(-7.8)=
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9x+3+2x=35
11x=35-3
11x=32/:11
x=32/11
x=2 10/11
231*7/8-3,4*0,01=231*0,875-0,034=202,125-0,034=202,091
21*1/3*0,5-38*1/5=21*1/3*1/2-38/5=21/6-38/5=3 3/6-7 3/5=3 1/2-7 3/5=3 5/10-7 6/10=-2 3/10=-2,3
39+1/3*7 1/5+4,5*2=39+1/3*36/5+9=48+36/15=48+2 6/15=50 6/15=50 2/5
294:4*1/7-31,3=73 1/2*1/7-31,3=147/2*1/7-31,3=147/14-31,3=10,5-31,3=-20,8
1/7*(241*3/7*(-7,8))=1/7*(723/7*(-7,8))=1/7*(-805,628569)=-115,089793