小卫有178元零花钱，再存17元就能买13本书送给灾区的小朋友．算一算，猜一猜他可能买哪几种书？各几本？
÷8= 1÷0.01=×6=÷= 1÷=+=﹣=÷=+=×=
直接写得数．========
直接写得数 6÷=+=×8=﹣=×=÷=+=÷= 14×= 1÷60%=
1÷÷=8 ．
直接写出得数．÷2= 6×===== 0÷==
÷8= 1÷0.01=
×6=
÷
= 1÷
=
+
=
﹣
=
÷
=
+
=
×
=
=
=
=
=
=
=
=
=
=
﹣
=
×
=
=
+
=
÷
= 14×
= 1÷60%=
÷
=8 ．
÷2= 6×
=
=
=
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