小数加减乘除法口算练习题2.docx= += = 720÷800=
+= = 17×300= =
+= ×= += +=
+= += 9
= += = 720÷800=
+= = 17×300= =
+= ×= += +=
+= += -= ÷5=
-= += ×100= =
2+= = += +=
÷70= +3= += ÷25=
+1= -= += +=
3+= ÷9= -= -5=
×9= -= -= +=
1-= += += +4=
4-= += += +=
÷40= 53÷100= += ×80=
÷10= += 7×= ×100=
-= -= ×10= 10+=
1-= ×1000= += +=
×100= -= -= 63÷100=
-=
+=
80÷1000=
+=
-=
0×=
-=
+=
+=
5+=
1-=
+=
+=
+=
+=
1-=
8-=
-=
+=
+=
-=
-=
-=
-=
10+=
-=
+=
+=
-=
1-=
-=
-=
-=
+=
-=
-=
+=
÷11=
×10=
×7=
÷5=
8×＋3=
×=
＋21=
÷=
÷=
501－98=
×=
110÷100=
×9=
×10=
125×7＋125=
×5=
×7=
÷=
÷=
＋=
480＋199=
63÷=
4×=
＋=
×7=
10÷8= ＋= ×8= ÷=
×3=
×=
100÷200=
×=
×=
÷70=
×=
÷7÷=
5×=
×4×=
50×=
÷=
÷3=
100××=
＋0
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