文档介绍：-
. z.
分数除法计算题
÷3= z.
1-××÷××〔－〕 ＋－＋
=5/6 =1/25 =0 =4/3
1÷－1÷ 0×＋1×－－ 〔－〕÷＋
=1/5 =3/5 =7/10 =8/15
＋×＋×＋×÷× 6－÷
= =1/4 =7/20 =33/10
10－〔1－〕÷ 〔－〕÷〔＋〕 ×〔－〕－
=9 =2/5 =0
×＋÷ 〔5－÷〕× 〔＋〕÷÷×
=11/12 =19/12 =125/96
×＋÷－ ÷〔1－〕＋÷＋×
=1/15 =15/16 =15/14
÷××14×÷10÷
=1/4 =7/6 =15/224
÷××÷÷×
=1/9 =2 =1/32
解方程
*- * -4= 21 2* + = *－ *=
*=125 *=1/10 *=21/20
*×=20× *-*=400 * = ×
*=25/3 *=640 *=1/17
5*－3×＝*÷＝12 *-*=
*=2/7 *=9/2 *=9/2
-
. z.
*×( + )=
*=1/6 *=2
*÷= 4*