问题
解答题
计算下面各题(能简算的要简算).
|
答案
(1)
+24×(2 3
-7 8
)5 8
=
+24×2 3 1 4
=
+62 3
=62 3
(2)(
+1 4
-5 6
)÷1 3 1 12
=(
+1 4
-5 6
)×121 3
=
×12+1 4
×12-5 6
×121 3
=3+10-4
=9
(3)
×17 24
+3 4
÷417 24
=
×17 24
+3 4
×17 24 1 4
=
×(17 24
+3 4
)1 4
=17 24