解:(1)(10
-5
×0.6)+10
÷0.35,
=(10.8-3.5)+30,
=7.3+30,
=37.3;
(2)3
×5
+3.75×6
-2×3.75,
=3.75×5
+3.75×6
-2×3.75,
=3.75×(5
+6
-2),
=3.75×10,
=37.5;
(3)
×
+2
÷1
,
=
+
,
=
;
(4)(1-
-
)÷
,
=(1-
-
)×8,
=1×8-
×8-
×8,
=8-
-
,
=
;
(5)
×(10-3.5)-
,
=
×
-
,
=
-
,
=
;
(6)
÷[2
÷(3
-
)×1
],
=
÷[2
÷
×
],
=
÷[
×
×
],
=
÷1,
=
.
分析:(1)根據(jù)四則運算的順序,先計算小括號里的5
×0.6,再算小括號里的減法,再算括號外的10
÷0.35,最后算加法;
(2)把3
變成3.75,再利用乘法的分配律變成3.75×(5
+6
-2)計算;
(3)根據(jù)四則運算的順序,乘法和除法同時計算,再算加法;
(4)把除以
變成乘8,再利用乘法的分配律計算;
(5)根據(jù)四則運算的順序,先計算小括號里的10-3.5=6.5,化為
,再算乘法,最后算減法;
(6)先算小括號里的減法,中括號里從左到右依次計算,最后算括號外面的除法.
點評:考查了四則混合運算.注意運算順序和運算法則,靈活運用所學的運算律簡便計算.