① × + × | ② ÷ + ÷![]() | ③ ÷( - ) |
④ + ÷![]() | ⑤ × ÷ | ⑥36×( + )÷ . |
解:① × + × = ×( + )= ×1= ; | ||
② + ÷![]() = + ×![]() = ×(1+ )= ×![]() = ; |
÷
+
÷
=
×
+
×
=
×(
+
)=
×1=1
;④
×
÷
=
×
×
=10;
⑤
÷(
-
)=
÷(
-
)=
÷
=
×
=

=4
;⑥36×(
+
)÷
=36×(
+
)×
=36×
×
=10.
分析:①②④⑥利用乘法分配律简算;③⑤利用运算顺序解答即可.
点评:此题考查了分数的四则混合运算和分数的简便计算.
×
+
+


;