问题 解答题
计算.(能用简便方法的用简便方法计算)
186×101-186
675×39+325×39415-176-24
463-187+137-1136400÷25÷48.29+3.7+0.71+6.3.
答案

(1)186×101-186

=(101-1)×186,

=100×186,

=18600;

(2)675×39+325×39

=(675+325)×39,

=1000×39,

=39000;

(3)415-176-24

=415-(176+24),

=415-200,

=215;

(4)463-187+137-113

=(463+137)-(187+113),

=600-300,

=300;

(5)6400÷25÷4

=6400÷(25×4),

=6400÷100,

=64;

(6)8.29+3.7+0.71+6.3

=(8.29+0.71)+(3.7+6.3),

=9+10,

=19.

判断题
单项选择题 A1/A2型题