问题
计算题
脱式计算,能简算的要简算。 | ||||||
|
答案
(1)534+26+166+74
=534+166+(26+74)
=800
=72×(28+172)
=14400
=(275-78)×28
=5516
(4)60×(600-400÷25)
=60×584
=35040
=(235-100)×6
=810
=89×300
=26700
填空题
脱式计算,能简算的要简算。 | ||||||
|
(1)534+26+166+74
=534+166+(26+74)
=800
=72×(28+172)
=14400
=(275-78)×28
=5516
(4)60×(600-400÷25)
=60×584
=35040
=(235-100)×6
=810
=89×300
=26700