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2022-08-02 21:00:33
\(\dfrac{4}{11}\)+\(\dfrac{5}{2}\)=\(\dfrac{8}{22}\)+\(\dfrac{55}{22}\)=\(\dfrac{63}{22}\)
2022-05-12 19:04:10
đáp án c nha
2022-05-10 20:57:21
nửa chu vi tấm bìa là:
240:2=120(dm)
tự vẽ sơ đồ nha
tổng số phần bằng nhau là:
2+3=5( phần)
chiều dài là:
120:5x3=72(dm)
chiều rộng là:
150-72=78(dm)
diện tích tấm bìa là:
78x72=5616(dm2)
Đ/s
2022-05-09 20:18:20
6,4x8+12,8:0,25+12,8:0,5
=6,4x8+12,8:1/4+12,8:1/2
=6,4x8+12,8x4+12,8x2
=6,4x8+12,8x(4+2)
=51,2+12,8x6
=51,2+76,8
=128
đúng hay không mik cũng chưa chác nha bạn :))
2022-05-08 20:49:31
Thể tích khối lập phương là:
7x7x7=343(dm3)
Đ/s:343dm3
2022-04-23 14:08:01
1,2 giờ=1giờ12 phút
2022-02-19 21:59:22
2022-02-19 21:14:13
2022-02-19 19:20:46
2022-02-19 19:20:40