问题
解答题
计算下列各题 (1)计算:|-2|-(1+
(2)计算:(4
|
答案
(1)原式=2-1-
+2=3-2
;2
(2)原式=(4
-26
+62
)÷22
=(42
+46
)÷22
=22
+2.3
计算下列各题 (1)计算:|-2|-(1+
(2)计算:(4
|
(1)原式=2-1-
+2=3-2
;2
(2)原式=(4
-26
+62
)÷22
=(42
+46
)÷22
=22
+2.3