600÷3= 0÷6= 840÷4=
60×50= 2.5+1.8= 20×23=
4.8+2.5= 30×70= 21×30=
+= 5.9-3.6= 960÷3=
29+81= 16÷4×4= 420-20×5=
27+467= 309÷3= 2.7-2= 40÷8×5=
3000÷6= 100-34= 40×80= 568÷8=
0÷39= 50×23= 250÷5= 1-= +=
16×2= 39÷3= 25×20= 10×42=
150÷3= 15×30= 12×11= 400÷5=
- = 1- = + = + =
40×5= 427÷7= 0× 200= 408÷ 4=
16×5= 100-27= 65÷5= 2000+300=
21×20= 300÷6= 14×20= 560÷4=
1- = + = - = - =
80×40= 12×20= 84÷4=
206÷2= - = + =
-= -= +=
+= += 1-=
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