157 0 100 2 0.11
分析:(1)356-199,根據(jù)減法的運算性質(zhì)進行簡算;
(2)(

+

-

)×12,運用乘法分配律進行簡算;
(3)32×12.5×0.25,首先把32分解為4×8,再運用乘法交換律和結(jié)合律進行簡算;
(4)

+

+

+

,運用加法交換律和結(jié)合律進行簡算;
(5)

×0.11+0.11×

,運用乘法分配律進行簡算;
(6)

÷[(

-

)

],根據(jù)分數(shù)四則混合運算的順序,按照分數(shù)四則運算的計算法則進行計算.
解答:(1)356-199,
=356-200+1,
=157;
(2)(

+

-

)×12,
=

12

12

12,
=6+4-10,
=0;
(3)32×12.5×0.25,
=(8×12.5)×(4×0.25),
=100×1,
=100;
(4)

+

+

+

,
=(

)+(

),
=1+1,
=2;
(5)

×0.11+0.11×

,
=(

)×0.11,
=1×0.11,
=0.11;
(6)

÷[(

-

)

],
=

[

×

],
=


,
=

10,
=12.
點評:此題考查的目的是使學(xué)生靈活運用整數(shù)的運算定律和運算性質(zhì)對小數(shù)、分數(shù)四則混合運算進行簡便計算.