问题
解答题
脱式计算
|
答案
(1)23×(34+58),
=23×92,
=2116;
(2)1500-125×8,
=1500-1000,
=500;
(3)15×80÷3,
=1200÷3,
=400;
(4)72+18×20,
=72+360,
=432.
脱式计算
|
(1)23×(34+58),
=23×92,
=2116;
(2)1500-125×8,
=1500-1000,
=500;
(3)15×80÷3,
=1200÷3,
=400;
(4)72+18×20,
=72+360,
=432.