①4×
+4÷
②5×
×
×
③41×101④8.5-(5.6+4.8)÷1.3 ⑤12×(
+
-
) ⑥
-(
-
)解:①4×
+4÷
,=(
)×4,=1×4,
=4;
②5×
×
×
,=(5×
)×(
),=4×
,=
;③41×101,
=41×100+41×1,
=4100+41,
=4141;
④8.5-(5.6+4.8)÷1.3,
=8.5-10.4÷1.3,
=8.5-8,
=0.5;
⑤12×(
+
-
),=12×
+12×
-12×
,=3+2-4,
=1;
⑥
-(
-
),=


,=
-
,=
.分析:(1)(3)(5)运用乘法分配律解答,
(2)运用乘法交换律和结合律解答,
(4)依据四则运算顺序解答,
(6)运用减法性质解答.
点评:(1)正确运用简便方法解决问题,(2)依据四则运算顺序进行计算是本题考查知识点.