解:(1)
÷
+
÷
,
=(
)×
,
=1×
,
=1
;
(2)5
+2
+4
+6
,
=(5
+4
)+(2
+6
),
=10+9,
=19;
(3)
×(1
+37.5% )-
÷1
,
=
(1
)
,
=
2-
,
=
,
=
;
(4)95.6×18-95
÷
,
=95.6×(18-8),
=95.6×10,
=956;
(5)(
-
)÷[(5-2
)÷3
],
=
[2
],
=
[
],
=
,
=
,
=
;
(6)(222+888)÷[5 6×(
-
)],
=1110÷[5.6×
],
=1110÷0.3,
=3700.
分析:算式(1)把除數(shù)轉(zhuǎn)化為乘它的倒數(shù),再運用乘法分配律進行簡算;
算式(2)運用加法交換律和結(jié)合律進行簡算;
算式(3)按照分數(shù)四則混合運算的運算順序和分數(shù)四則運算的計算法則進行計算;
算式(4)把除數(shù)轉(zhuǎn)化為乘它的倒數(shù),再運用乘法分配律進行簡算;
算式(5)按照分數(shù)四則混合運算的運算順序和分數(shù)四則運算的計算法則進行計算;
算式(6)按照分數(shù)四則混合運算的運算順序和分數(shù)四則運算的計算法則進行計算;
點評:此題主要考查分數(shù)、小數(shù)四則混合運算,注意運算順序和計算法則,并且能夠式中數(shù)據(jù)的特點靈活選擇簡便方法進行進行簡算.