分析:(1)(2)(3)(4)(6)依據(jù)四則運(yùn)算順序,先算第二級(jí)運(yùn)算,再算第一級(jí)運(yùn)算,如果只含有同一級(jí)運(yùn)算,按照從左到右順序計(jì)算,有括號(hào)先算括號(hào)里面的順序解答,
(5)運(yùn)用乘法分配律計(jì)算即可.
解答:解:(1)370×203-19266÷38,
=75110-507,
=74603;
(2)32×3.1+1÷1.25,
=9.92+0.8,
=10.72;
(3)
×(39÷35)÷0.9,
=
×
÷0.9,
=0.9÷0.9,
=1;
(4)(9-3.06÷
)×1
,
=(9-5.1)×1
,
=3.9×1
,
=4.8;
(5)(3-1
+1)×1-3×56,
=3×56-1
×56+1
×56,
=168-49+64,
=119+64,
=183;
(6)
[(+0.075)÷-2]×,
=[1
÷-2]×
,
=[
-2]×
,
=
×,
=
.
點(diǎn)評(píng):正確依據(jù)四則運(yùn)算順序進(jìn)行計(jì)算,以及正確運(yùn)用乘法分配律解決問題是本題考查知識(shí)點(diǎn),注意計(jì)算結(jié)果的準(zhǔn)確性.