问题
解答题
计算 (1)-32×1.22÷(-0.3)3+(-
(2)(-2)2-22-|-
|
答案
(1)-32×1.22÷(-0.3)3+(-
)2×(-3)3÷(-1)251 3
=-9×1.44÷(-0.027)+
×(-27)÷(-1)1 9
=480+3
=483;
(2)(-2)2-22-|-
|×(-10)21 4
=4-4-
×1001 4
=4-4-25
=-25.
计算 (1)-32×1.22÷(-0.3)3+(-
(2)(-2)2-22-|-
|
(1)-32×1.22÷(-0.3)3+(-
)2×(-3)3÷(-1)251 3
=-9×1.44÷(-0.027)+
×(-27)÷(-1)1 9
=480+3
=483;
(2)(-2)2-22-|-
|×(-10)21 4
=4-4-
×1001 4
=4-4-25
=-25.