问题
解答题
计算: (1)(-4
(2)(-10)•(-8.24)•(-0.1); (3)-
(4)(
(5)-
(6)71
|
答案
(1)原式=-
×(-10)81 20
=
;81 2
(2)原式=(-10)×(-0.1)×(-8.24)
=-8.24;
(3)原式=-
×5 6
×2.43 5
=-1.2;
(4)原式=
×36-7 9
×36+5 6
×36-3 4
×367 18
=11;
(5)原式=-
×8+3 4
×3 4
+4 3
×0.043 4
=-4.97;
(6)原式=71×(-8)+
×(-8)15 16
=-568-15 2
=-575
.1 2