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1 / 9
×= ÷= ×= ÷=
÷= ÷4= ×= 5÷=
÷= ÷= ×2= ×13=
×= ÷3= 36×= ×20= -= ×36= +2=
6×= ×= ÷= 2÷=
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6 / 9
33÷= ×=×4= ÷=
-= += -=720÷800=
+= -=17×300= -=
+=×= += +=
+= += -=÷5=
-= +=×100= -=
2+=-= += +=
÷70= +3= +=÷25=
+1= -=+= +=
3+=÷9= -= -5=
×9= -= -=+=
1-= +=+= +4=
4-=+= += +=
23×100= -= -= 1-=
÷40=53÷100= += ×80=
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7 / 9
÷10= += 7×=×100=
-= -=×10= 10+=
1-=×1000= += +=
×100= -= -=63÷100=
-= +=80÷1000= +=
2=0×= -= +=
+= 5+= 1-=+=
+= +=+= 1-=
8-=-= += +
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