问题
解答题
用简便方法计算.
8×26×125
138+29+262
78000÷4÷25.
答案
(1)8×26×125
=8×125×26
=1000×26
=26000;
(2)138+29+262
=138+262+29
=400+29
=429;
(3)78000÷4÷25
=78000÷(4×25)
=78000÷100
=780.
用简便方法计算.
8×26×125
138+29+262
78000÷4÷25.
(1)8×26×125
=8×125×26
=1000×26
=26000;
(2)138+29+262
=138+262+29
=400+29
=429;
(3)78000÷4÷25
=78000÷(4×25)
=78000÷100
=780.