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uk

ê sao hôm qua bảo thức đến 12h mà

ko

Ha Long Bay is in Quang Ninh Province, in northern Vietnam. It is a famous natural wonder and a UNESCO World Heritage site. The bay has thousands of limestone islands with different shapes, making it very beautiful. There are many plants, animals, and coral reefs in the area. People can visit by boat, explore caves, kayak, and enjoy fresh seafood. Ha Long Bay is a symbol of Vietnam’s amazing nature and attracts many tourists from all over the world.

thì kiếm ik

7

j vậy

3,27 x0,25+2,3 x 1/4+1,75:4+2,68 x 25%

=3,27 x0,25+2,3 x 0,25+1,75 x0,25+2,68 x0,25

=0,25x(3,27+2,3+1,75+2,68)

=0,25x10

=2,5

đk ạ

hi