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2023-01-05 20:15:33
2023-01-04 20:43:03
a, tổng độ dài của cạnh AC và AB là:
360 - 150=210(m)
cạnh AC là:
( 210 + 30):2=120(m)
cạnh AB là:
120 - 30=90(m)
b,diện tích thửa vườn đó là:
90 x 120 : 2=5400(m2)
c, cạnh của cái ao là:
100 :4=25(m)
diện tích cái ao là:
25 x 25=625(m2)
diện tích còn lại để trồng trọt là:
5400 - 625=4775(m2)
đáp số:....
2022-08-05 21:20:28
2022-08-05 21:19:28
2022-08-05 21:18:16
2022-07-27 10:18:30