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1000+3000+6000+9000+4000+5000+7000+5000
= (1000+9000)+(3000+7000)+(6000+4000)+(5000+5000)
=10000+10000+10000+10000
=40000
t mk nha bn
468:6+61x2
=78+122
=200
5625-5000:(726:6-113)
=5625-5000:8
=5625-625
=5000
\(900-\left(20+1\right)\) \(200-\left(40-23\right)\)
\(=900-21\) \(=200-17\)
\(=879\) \(=183\)
900-(20+1)=? 200-(40-23)=? 5000-(000+000-00001)=? 1000-10(12:2)=?
=900-21 =200-17 =5000--1 =1000-60
=879 =183 =5001 =940
5000 tạ = 500 tấn ; 2 000 305 m2 = 2 km2 305 m2 ; 1/4 thế kỉ = 25 năm
chúc bạn học tốt
5000:2=2500
số cần tìm là:
5000:2=2500
Đáp số:2500