oblicz x zapisuj obliczenia prosze
2,4 + ( x:1,8 + 4,2) *3 = 17
daje naj
2,4+(x/1,8+4,2)*3=17
2,4+(3x/1,8+ 12,6)=17
2,4+(3x/1,8+ 22,68/1,8)=17
2,4+((3x+22,68)/1,8)=17 //*1,8
2,4*1,8+(3x+22,68)=17*1,8
4,32+3x+22,68=30,6
3x=30,6-4,32-22,68
3x= 3,6 //:3
x= 1,2
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2,4+(x/1,8+4,2)*3=17
2,4+(3x/1,8+ 12,6)=17
2,4+(3x/1,8+ 22,68/1,8)=17
2,4+((3x+22,68)/1,8)=17 //*1,8
2,4*1,8+(3x+22,68)=17*1,8
4,32+3x+22,68=30,6
3x=30,6-4,32-22,68
3x= 3,6 //:3
x= 1,2
licze na naj