问题
解答题
24-18-(-8)+(-16); |-
|
答案
(1)原式=24-18+8-16,
=24+8-18-16,
=-2;
(2)原式=
×(-1 5
)×3 4
,5 9
=-(
×1 5
×3 4
),5 9
=-
.1 12
24-18-(-8)+(-16); |-
|
(1)原式=24-18+8-16,
=24+8-18-16,
=-2;
(2)原式=
×(-1 5
)×3 4
,5 9
=-(
×1 5
×3 4
),5 9
=-
.1 12