文档介绍：可编辑
-2X4=
10+12-3+20=
360-40X4=164-8=
75-11X5=
25X16X4=
200-33X3=
25X8X100=
4200X2-2200=
600-3X200=
36+1/6-1/3=
-=
1*5=
17X40=
14－=
可编辑
＋=
=
3/4+1/4=
可编辑
2+4/9=
3-2/3=
3/4-1/2=
1/6+1/2-1/6=
-(+)=
7/8+3/8=
3/10+1/5=
4/5-7/10=
2-1/6-1/3=
-17=
＋19=
-=
=
=
3/4+5/4=
2+4/9=
3-2/3=
3/4-1/2=
5/6+1/2-1/6=
-(+)=
7/8+5/8=
3/10+1/5=
4/5-7/10=
2-5/6-1/3=
=
874X3X10=
304X5X10=
106X10=
178X3X20=
78X9X30=
=
=
=
=
163X3X5=
724X6X10=
=
=
78X9X5=
=
78X2=
245X0=
306X103X0=
132X6=
350X1000=
=
9-^4=
=
(＋)=
50+160-40=
(58+370)-(64-45)
120-14令18+35=
347+45X2-416052
(58+37)-(64-9X5)=
95-(64-45=
178-145^5X6+42=
420+580-64X21-28=
812-700(9+31X11)
=
(136+64)X(65-345-23)
85+14X(14+208-26)=
+=
可编辑
-
-(+)
+
+
--
++
+-(25-)2X41846-620-380
+
+
-
-
-(+)
(4+)
+
-(+)
+
+
(1010+309+4+681+6)X12
3X9146X782X6X854
+-
(284+16)X(512-820刖18)
可编辑
120-36X4-18+35
(58+37)-(64-9X5)
(-)
-
(+)(2)(+)
6-^4=+-=
--=6--=
(-)=+
--
(-)+
-(6+-)
[(--]-
-[(-+]
12X6-(12--6(4)12X6--6
方程：
88x+43=8579x=97
36x+58=2974x=81
13x+25=1247x=94
89x-31=4063x=46
27x+40=445x=15
83x-90=1653x=21
可编辑
29x-35=545x=2097x+81=954x=950x-99=3101x=6480x+17=1777x=2217x-37=609x=3888x+30=2758x=3180x+85=565x=649x+43=827x=1699x-98=6139x=6395x+94=1044