问题
解答题
灵活计算下面各题 (1)25×0.36×4 (2)36÷[(
(3)
(4)18×
|
答案
(1)25×0.36×4,
=25×4×0.36,
=100×0.36,
=36;
(2)36÷[(
-5 6
)×4],1 3
=36÷[
×4],1 2
=36÷2,
=18;
(3)
+1 8
+5 9
+7 8
,4 9
=(
+1 8
)+(7 8
+5 9
),4 9
=1+1,
=2;
(4)18×
-3÷2 3
,3 2
=12-3×
,2 3
=12-2,
=10.