问题
解答题
计算下列各题(能简算的写出简算过程) 4.6×
1110÷[56×(
|
答案
(1)4.6×
+4.4÷19 10
+(1-0.1),1 9
=
×23 5
+9 10
×22 5
+0.9,9 10
=(
+23 5
+1)×22 5
,9 10
=10×
,9 10
=9;
(2)1110÷[56×(
-3 7
)],3 8
=1110÷[56×
-56×3 7
],3 8
=1110÷[24-21],
=1110÷3,
=370.