问题
解答题
脱式计算.
|
答案
(1)18×(120÷8),
=18×15,
=270;
(2)(50+59)×40,
=109×40,
=4360;
(3)37×(248-42),
=37×206,
=7622.
脱式计算.
|
(1)18×(120÷8),
=18×15,
=270;
(2)(50+59)×40,
=109×40,
=4360;
(3)37×(248-42),
=37×206,
=7622.