解:①
[(
+
)×
],
=
÷
÷(
),
=1÷
,
=1×
,
=2
;
②4-
÷4-
,
=4-
×
,
=4-(
),
=4-1,
=3;
③9
+9.8+9.25×
,
=9.25×(9.8+0.2),
=9.25×10,
=92.5;
④25×(4×11)×7,
=(25×4)×(11×7),
=100×77,
=7700;
⑤(
+
)÷
,
=(
+
)×60,
=60×
+
×60,
=5+36,
=41;
⑥101×120-83-37,
=101×120-(83+37),
=120×(101-1),
=120×100,
=12000.
分析:①一個(gè)數(shù)除以兩個(gè)數(shù)的積,可以用這個(gè)數(shù)分別除以這兩個(gè)數(shù).
②一個(gè)數(shù)連續(xù)減去兩個(gè)數(shù),可以用這個(gè)數(shù)減去這兩個(gè)數(shù)的和.
③⑤⑥運(yùn)用乘法的分配律進(jìn)行計(jì)算即可.
④運(yùn)用乘法的結(jié)合律及結(jié)合律進(jìn)行計(jì)算即可.
點(diǎn)評(píng):完成本題要注意分析式中數(shù)據(jù),運(yùn)用合適的簡(jiǎn)便方法計(jì)算.