文档介绍：26+9=
50^5=
70+7=
800-M=
90T=
57-38=
3X800=
14X2=
330T=
58-0=
150-70=
420+7=
5X900=
3X23=
2W40=
42X1200-700=300的=
37+8=2*30^X80=50X67X11=430X2=50X70=12X10=24X2=540罚=30X70=48X10=33X2=10X74=
50X10=70X11=X40=X3=24X20=12X20=56X10=41X3=
40X40=40X10=23X30=60X50=70X80=10X68=40X50=30X21=
31X2=14X20=6X90=20X33=70(90820=X13=31X20=22X3=60X90=39X10=X2=44X20=34X20=
13X3=620-h2=6X800=960+3=1500-900=1800-800=63T=26+57=8002=58+29=69T=+57=600X3=4802=630+3=62-33=500+500=0^47=560+7=440=93+3=24X2=0^54=23X3=12X30=68(30221=X70=28x1=x13=800逍途6=10X19=11x50=30X30=28X10=X50=10X36=30X33=X40=
33X20=
34X20=
8X70=
40X70=
33X30=
42X20=
48+19=
31X20=
400+300=
70X6=
700X6=
5X900=
4X900=
84X10=
10X33=
2®0=
9X800=
22X0=
20+35=
70X30=
80X70=
45+35=
2W2=
200X4=
32X20=
86-47=
0^20=
70X60=
5X90=
6X60=
84X1=
22X30=
22X40=
900X6=
6X500=
44+20=
12X4=X30=22X4=30X80=33X10=50X90=12X40=220X3=22X40=200X3=41X20=X30=10X46=3X700=33X30=20X41=6X600=24X20=50X30=0X45=50X70=800X7=60-=-6=10X89=69X10=13X30=X30=4X90=60X60=60X40=90X30=X40=30X20=40X90=2X31=
40X40=43X20=46+37=420的=300^6=40X11=360罚=10X34=40X90=90X60=490+7=20X34=300X3=80X4=65X0=330+3=250台=680-80=21X40=80X40=10X37=20X50=2000+300=880H=70X20=400=0X66=50X30=6402=880=200-80=34+39=360的=99X10=12X20=30X80=41X20=97X10=700n=33X30=0*9=11X80=200-M=31X20=600+90=4700-700=44-37=40X12=84-47=630+7=71-23=0W3