According to circle equals triangle plus triangle, circle plus triangle equals 45, we can get the number of circles and triangles According to 0 = △ + △ and 0 + △ 45, 0 = (), △ = ()

According to circle equals triangle plus triangle, circle plus triangle equals 45, we can get the number of circles and triangles According to 0 = △ + △ and 0 + △ 45, 0 = (), △ = ()


Circle equals 30, triangle = 15



How much is 18 yuan for 120 minutes


18 △ 120 = 0.15 yuan
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38 degrees, 41 seconds?


51 degrees 59 seconds