问题
解答题
计算: (1)(-6)÷(-4)÷(-1
(2)(-16)÷[(-
(3)(-5)÷(-1
|
答案
(1)原式=-(6÷4÷
),6 5
=-(6×
×1 4
),5 6
=-
;5 4
(2)原式=(-16)÷(
×64)1 16
=-16÷4
=-4;
(3)原式=-(5×
×7 9
×4 5
×9 4
)1 7
=-1.
计算: (1)(-6)÷(-4)÷(-1
(2)(-16)÷[(-
(3)(-5)÷(-1
|
(1)原式=-(6÷4÷
),6 5
=-(6×
×1 4
),5 6
=-
;5 4
(2)原式=(-16)÷(
×64)1 16
=-16÷4
=-4;
(3)原式=-(5×
×7 9
×4 5
×9 4
)1 7
=-1.