The square millimeter is a unit of measurement of area ; 1 mm² = 1.0×10 +18 pm²mm²>pm²pm²>mm² ; 1 mm² = 1.0×10 +14 Ųmm²>ŲŲ>mm² ; 1 mm² = 1 000 000 000 000 nm²mm²> ...
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