直接写出得数647﹣298= 5.6÷0.7= 8109÷9= 1﹣35%=2×÷2×= += ÷25%= 3.05+6.2=9.8﹣0.98= 2﹣﹣=
÷3 3÷==÷=÷=÷=÷×=×0= 5﹣×=
计算题．．
画图表示÷8，并计算．
直接写得数 15÷== 6÷= 0÷= 3÷= 1÷=====
计算题． 12．
÷2×
+
= 
÷25%= 3.05+6.2=
﹣
=
÷3 3÷
=
=
÷
=
÷
=
÷
=
÷
×
=
×0= 5﹣
×
=
．
÷8，并计算．
=
= 6÷
=
= 3÷
= 1÷
=
=
=
=
=
．
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