问题
解答题
简算.
|
答案
(1)7.54-0.68-1.32,
=7.54-(0.68+1.32),
=7.54-2,
=5.54;
(2)3.27+6.3+2.73+4.7,
=(3.27+2.73)+(6.3+4.7),
=6+11,
=17;
(3)(125+7)×8,
=125×8+7×8,
=1000+56,
=1056;
(4)728×79十728,
=728×79+728×1,
=728×(79+1),
=728×80,
=58240.