问题
解答题
|
答案
(1)375+450÷18×25,
=375+25×25,
=375+625,
=1000;
(2)24×(
+1 4
-5 8
),2 3
=24×
+24×1 4
-24×5 8
,2 3
=6+15-16,
=21-16,
=5;
(3)0.8×48+52×
,4 5
=0.8×(48+52),
=0.8×100,
=80;
(4)4.3-(2.01+2.29÷10),
=4.3-(2.01+0.229),
=4.3-2.239,
=2.061.