ã1ã1.4Ã7+x=12.8
x=12.8-9.8;
x=3;
ã2ãï¼6+3xï¼Ã·4=9;
6+3x=36;
3x=30;
x=10;
ã3ã5åä¹2x+2åä¹1=24åä¹19
2x/5=19/24-12/24;
2x/5=7/24;
x=35/48;
ã4ã18÷4x-3=9ï¼æè¡¥å
ï¼ï¼
18÷4x=12;
4x=18/12;
4x=3/2;
x=3/8;
ã5ã3.4+9.8=1.4+9x
9x=9.8+3.4-1.4;
9x=11.8;
x=11.8/9;
x=118/90;
x=59/45;
ã6ã18.75%x-4.5Ã3=0 ï¼æ±è¿ç¨åçæ¡ï¼è°¢è°¢ï¼ï¼ï¼
0.1875x=13.5;
x=72;
æ¨å¥½ï¼å¾é«å
´ä¸ºæ¨è§£çï¼skyhunter002为æ¨çç解æ
å¦ææ¬é¢æä»ä¹ä¸æç½å¯ä»¥è¿½é®ï¼å¦æ满æè®°å¾é纳
å¦ææå
¶ä»é®é¢è¯·é纳æ¬é¢åå¦åç¹å»åææ±å©ï¼çé¢ä¸æï¼è¯·è°
解ï¼è°¢è°¢ã
ç¥å¦ä¹ è¿æ¥
追é®ã4ãæ¯8åä¹3åï¼
追çæ¯ç