Physical conversion: 1.5.2m = --- m 2.9.8m = DM = --- cm 3.207mm = --- M = --- DM 4.3.8km = --- M
1.5.2m=52dm=520cm2.9.8m=98dm=980cm3.207mm=0.207m=2.07dm4.3.8km=3800m
RELATED INFORMATIONS
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- 2. Let f (x) be any function defined on (- A, a). It is proved that G (x) = f (x) + F (- x) is an even function, H (x) = f (x) - f (- x) is an odd function, and X belongs to (- A, a) Please; ah
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- 4. As shown in the figure, in square ABCD, e is the point on DC, connect be, make CF ⊥ be at P, intersect ad at F, if AP = ab
- 5. The maximum value of quadratic function y = - x ^ 2-4x + 3 and the equation of symmetry axis are
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- 7. How to prove that a graph is centrosymmetric, congruent or other?
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- 11. 0025m=()dm=()cm=()mm
- 12. In the international system of units (SI), the basic unit of length is:______ The symbol is:______ In addition, some other units are specified: kilometer (km), decimeter (DM), centimeter (CM), millimeter (mm), micron (μ m), nanometer (nm), etc
- 13. In the international system of units, the unit of length is___ , the symbol is__ What is the time unit___ The symbol is___ 50 nm___ m
- 14. 1、10³km=______ mm=_____ Micron 2, 180dm=_____ m=_______ nm 3、2,7x10³nm_____ km=____ dm 4、485m=______ mm=______ km
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- 16. 76x10, KM = M = DM = um = nm
- 17. 0.05m=( )cm,5mm=( )m,0.7μm=( )nm,100cm=( )μm,30nm=( )km,2km=( )mm The answers should be expressed by scientific counting
- 18. How much is 0.05 μ m? How much is nm?
- 19. At present, the chip line width of the most advanced microelectronic devices in the world has been reduced to 0.13um. In a few years, it may be reduced to 0.05um, 0.05um=___ nm=___ m=__ km
- 20. 0.05um equals () nm equals () m equals () km