计算:(1)4×(-3)2;(2)?22÷(?12)2(3)0÷(-2)-23;(4)?14?19×3?(?2)2(5)-24+(-2)4-(-

2025-01-31 11:59:03
推荐回答(1个)
回答(1):

(1)4×(-3)2
=4×9
=36;

(2)-22÷(-

1
2
2
=-4÷
1
4

=-4×4
=-16;

(3)0÷(-2)-23
=0-8
=-8;

(4)-14-
1
9
×3-(-2)2
=-1-
1
3
-4
=-5
1
3


(5)-24+(-2)4-(-1)2011
=-16+16-(-1)
=1;

(6)0.25×(-2)3-[4÷(-
2
3
2+1]
=0.25×(-8)-(4÷
4
9
+1)
=-2-(9+1)
=-2-10
=-12.