问题
解答题
|
答案
(1)(
-7 16
)÷1 4
,1 3
=
÷3 16
,1 3
=
;9 16
(2)101×82,
=(100+1)×82,
=100×82+1×82,
=8200+82,
=8282;
(3)1.56÷0.3×0.16,
=5.2×0.16,
=0.832;
(4)125×0.32×25,
=125×0.8×0.4×25,
=(125×0.8)×(0.4×25),
=100×10,
=1000.