A-A+
计算:(1)(-3)+(-4)-(11)-(-9);(2)-16×5-16×(-4)+16×
问题详情
计算:
(1)(-3)+(-4)-(11)-(-9);
(2)-
(3)-6÷(-0.25)×
(4)[-32×(-
参考答案
(1)原式=(-3)+(-4)+(-11)+(+9),
=-18+9,
=-9;
(2)原式=-56-(-46)+(-86),
=-56+(+46)+(-86),
=-32;
(3)原式=-6×(-4)×1124×12,
=24×1124×12,
=112;
(4)原式=[-9×19-45]×92÷(-214),
=-95×92×(-421),
=5435.
考点: