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(1)531﹣57﹣143(2)84×25(3)147×38+53×38(4)7200÷45÷2
题目详情
(1)531﹣57﹣143 | (2)84×25 |
(3)147×38+53×38 | (4)7200÷45÷2 |
▼优质解答
答案和解析
(1)531﹣57﹣143
=531﹣(57+143)
=531﹣200
=331 (2)84×25
=21×4×25
=21×(4×25)
=21×100
=2100 (3)147×38+53×38
=(147+53)×38
=200×38
=7600 (4)7200÷45÷2
=7200÷(45×2)
=7200÷90
=80 (1)531﹣57﹣143
=531﹣(57+143)
=531﹣200
=331 (2)84×25
=21×4×25
=21×(4×25)
=21×100
=2100 (1)531﹣57﹣143
=531﹣(57+143)
=531﹣200
=331 (1)531﹣57﹣143
=531﹣(57+143)
=531﹣200
=331 (2)84×25
=21×4×25
=21×(4×25)
=21×100
=2100 (2)84×25
=21×4×25
=21×(4×25)
=21×100
=2100 (3)147×38+53×38
=(147+53)×38
=200×38
=7600 (4)7200÷45÷2
=7200÷(45×2)
=7200÷90
=80 (3)147×38+53×38
=(147+53)×38
=200×38
=7600 (3)147×38+53×38
=(147+53)×38
=200×38
=7600 (4)7200÷45÷2
=7200÷(45×2)
=7200÷90
=80 (4)7200÷45÷2
=7200÷(45×2)
=7200÷90
=80
(1)531﹣57﹣143 =531﹣(57+143) =531﹣200 =331 | (2)84×25 =21×4×25 =21×(4×25) =21×100 =2100 |
(3)147×38+53×38 =(147+53)×38 =200×38 =7600 | (4)7200÷45÷2 =7200÷(45×2) =7200÷90 =80 |
=531﹣(57+143)
=531﹣200
=331
=21×4×25
=21×(4×25)
=21×100
=2100
=(147+53)×38
=200×38
=7600
=7200÷(45×2)
=7200÷90
=80
=531﹣(57+143)
=531﹣200
=331
=21×4×25
=21×(4×25)
=21×100
=2100
=531﹣(57+143)
=531﹣200
=331
=531﹣(57+143)
=531﹣200
=331
=21×4×25
=21×(4×25)
=21×100
=2100
=21×4×25
=21×(4×25)
=21×100
=2100
=(147+53)×38
=200×38
=7600
=7200÷(45×2)
=7200÷90
=80
=(147+53)×38
=200×38
=7600
=(147+53)×38
=200×38
=7600
=7200÷(45×2)
=7200÷90
=80
=7200÷(45×2)
=7200÷90
=80
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