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2022-12-23 20:45:46
2022-12-23 20:18:47
B.14
Chúc bạn học tốt
2022-07-18 14:59:39
Có số bạn được thưởng vở là:
30:5= 6( bạn )
Đ/S: 6 bạn
2022-06-27 14:54:07
Có tất cả số xe đạp là: 8+7 = 15 ( chiếc )
Đ/S: 15 chiếc
2022-04-15 19:59:44
X x 4 + X x 11 = 36
X x ( 4+ 11 ) = 36
X x 15 = 36
X = 36 : 15 ( Tìm thừa số )
X = 2,4
2022-04-15 19:55:45
Nửa chu vi của thửa ruộng là: 160:2= 80 ( m )
Chiều rộng của thửa ruộng là: 80: ( 1+ 4 ) x 1=16 ( m )
Chiều dài của thửa ruộng là: 80 - 16= 64 ( m )
a. Diện tích thửa ruộng là: 16 x 64=1024( m2 )
b. Thu hoạch dc số kg thóc là: 1024: 1x 60=6061440 ( kg )
Đ/S: a. 1024 m2
b. 6061440 kg
2022-04-15 19:49:29
C
2022-04-15 19:49:03
2022-04-15 19:46:26
5/8 + 3/8 : 2/3
= 8/8 : 2/3
= 1 x 3/2
= 3/2
2022-04-05 18:39:05