问题
解答题
灵活计算,(能简便计算的要用简便方法计算). 2-
36×(
(
22.1-4.88-4.12. |
答案
(1)2-
÷8 15
,4 9
=2-
,6 5
=
;4 5
(2)36×(
+1 6
),2 3
=36×
+1 6
×36,2 3
=6+24,
=30;
(3)(
+4 5
÷6)×2 3
,5 7
=(
+4 5
)×1 9
,5 7
=
×4 5
+5 7
×1 9
,5 7
=
+4 7
,5 63
=
;41 63
(4)22.1-4.88-4.12,
=22.1-(4.88+4.12),
=22.1-9,
=13.1.