问题
解答题
计算: (1)4
(2)计算:(3
|
答案
(1)原式=4
+35
-25
+42 2
=7
+25
;2
(2)原式=(6
-3
+42 3 3
)÷23
+3 1 3
=
÷228 3 3
+3 1 3
=
+14 3 1 3
=5.
计算: (1)4
(2)计算:(3
|
(1)原式=4
+35
-25
+42 2
=7
+25
;2
(2)原式=(6
-3
+42 3 3
)÷23
+3 1 3
=
÷228 3 3
+3 1 3
=
+14 3 1 3
=5.