问题
解答题
|
答案
(1)2004+75×54÷45,
=2004+4050÷45,
=2004+90,
=2094;
(2)(0.125×8-0.5)×4,
=(1-0.5)×4,
=0.5×4,
=2;
(3)32%×76.4+1.36×3.2,
=32%×76.4+13.6×0.32
=0.32×(76.4+13.6),
=0.32×90,
=28.8;
(4)
×5 7
+7 24
÷1 5
,4 5
=
+5 24
,1 4
=
;11 24
(5)(
-7 8
)×( 5 16
+5 9
),2 3
=
×9 16
,11 9
=
;11 16
(6)1110÷[56×(
-3 7
)],3 8
=1110÷[56×
-56×3 7
],3 8
=1110÷[24-21],
=1110÷3,
=370.