问题
解答题
计算: (1)(
(2)(
|
答案
(1)(
-1)2-|23
-33
|-(-2
)3;2
=3+1-2
+23
-33
+22
,2
=4-
;2
(2)(
a3x4-0.9ax3)÷6 5
ax3,3 5
=
a3x4÷6 5
ax3-0.9ax3÷3 5
ax3,3 5
=2a2x-
.3 2
计算: (1)(
(2)(
|
(1)(
-1)2-|23
-33
|-(-2
)3;2
=3+1-2
+23
-33
+22
,2
=4-
;2
(2)(
a3x4-0.9ax3)÷6 5
ax3,3 5
=
a3x4÷6 5
ax3-0.9ax3÷3 5
ax3,3 5
=2a2x-
.3 2