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计算下面各题.(能简算的要简算)25×32×125201×41425+21×(12+28)15×[142-(42+36)].

题目详情
计算下面各题.(能简算的要简算)
25×32×125                                 
201×41
425+21×(12+28)
15×[142-(42+36)].




▼优质解答
答案和解析
(1)25×32×125
=25×(4×8)×125
=(25×4)×(8×125)
=100×1000
=100000

(2)201×41
=(200+1)×41
=200×41+1×41
=8200+41
=8241

(3)425+21×(12+28)
=425+21×40
=425+840
=1265

(4)15×[142-(42+36)]
=15×[142-42-36]
=15×(100-36)
=15×64
=960