6× = | + = | × = | 3- = | ÷ = |
1÷ = | ÷ = | - = | ×14= | ÷12= |
=4; ②
+
=
; ③
×
=
; ④3-
=2
; ⑤
÷
=
;⑥1÷
=5; ⑦
÷
=1; ⑧
-
=
; ⑨
×14=4; ⑩
÷12=
.故答案为:4,
,
,2
,
,5,1,
,4,
.分析:①③⑨属于分数的乘法,约分计算;②④⑧属于分数的加减法,通分计算;⑤⑥⑦⑩属于分数的除法,把除法转化为乘法,再计算.
点评:此题考查了分数的四则运算,根据题目特点,采取不同的方法,灵活解答.