问题
解答题
计算: (1)|-21|+|-10|+|+9|; (2)-4.3-(-6.3); (3)(-10)÷(-
(4)(-24)×(
(5)4+3×(-2)3+33; (6)(-3)2×(-
|
答案
(1)原式=21+10+9
=40;
(2)原式=-4.3+6.3
=2;
(3)原式=-10×(-3)×(-4)
=-120;
(4)原式=-24×
+24×1 6
-24×1 4 1 8
=-4+6-3
=-1;
(5)原式=4+3×(-8)+27
=4-24+27
=4+3
=7;
(6)原式=9×
-(-8)×41 9
=1+32
=33.