下面的读数对了吗？如果错了，请你帮忙改一改．
6.105 3.09 12.4
六点一五 三点零九 一二点四
0.81 270.80 125.08
零点八一 二百七十点八十 一百二十五点零八
下面的读数对了吗？如果错了，请你帮忙改一改．
6.105 3.09 12.4
六点一五 三点零九 一二点四
0.81 270.80 125.08
零点八一 二百七十点八十 一百二十五点零八
×15=
×2=
×
=
×
=
÷
=
÷3=
÷5=
÷
=
=
÷4=
×3= 1÷
= 1﹣
﹣
×
= 3﹣4×
=
×12=
÷
=
+
= 1﹣
﹣
=
﹣
=
×3=
×
=
﹣0.25= 72×
=
÷
=
÷
= 36÷
=
÷
=
×16= 12÷
= 0.3×
=
÷
= 1÷
= 0×
=
=
=
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