题目内容
计算下列各题
(1)-12-25;
(2)0-(-8);
(3)12-(-18)+(-7)-15;
(4)(-18)÷2÷(-16);
(5)(-2)+|3|-5;
(6)(-1)100×5+(-2)4÷4.
(1)-12-25;
(2)0-(-8);
(3)12-(-18)+(-7)-15;
(4)(-18)÷2÷(-16);
(5)(-2)+|3|-5;
(6)(-1)100×5+(-2)4÷4.
(1)-12-25=-37;
(2)0-(-8)=8;
(3)12-(-18)+(-7)-15
=12+18-7-15
=30-22
=8;
(4)(-18)÷2÷(-16)
=9÷16
=
;
(5)(-2)+|3|-5
=-2+3-5
=-4;
(6)(-1)100×5+(-2)4÷4
=1×5+16÷4
=5+4
=9.
(2)0-(-8)=8;
(3)12-(-18)+(-7)-15
=12+18-7-15
=30-22
=8;
(4)(-18)÷2÷(-16)
=9÷16
=
9 |
16 |
(5)(-2)+|3|-5
=-2+3-5
=-4;
(6)(-1)100×5+(-2)4÷4
=1×5+16÷4
=5+4
=9.
练习册系列答案
相关题目