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Trần Phúc Hưng
Giới thiệu về bản thân
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2022-09-13 21:49:32
giải
số hs ko đạt học lực giỏi nhưng hành kiểm tốt là:
50-15-30=5(hs)
đ/s:5 hs
tix mik nha ;)
2022-09-13 21:43:18
1023457
2022-09-13 21:41:32
giải
bn thứ nhất lm đc nhiều hơn số bài bn thứ 2 lm là:
22-20=2(bài)
số bài tập hai bn đc giao là:
(2+4)4=24(bài)
Đ/s:24 bài
kiểm tra lại nhé :)
2022-09-13 21:22:10
2kg đường và 4l mật ong
2022-09-13 21:17:17
giải
a)(tên tập hợp)={15;26;37;48;59}
b)(tên tập hợp)={75;84;93}
2022-09-13 21:12:12
giải
quãng đường AB dài là:
20:4x15=75(km)
Đ/s:75km