64*12.5*0.25*0.05

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64*12.5*0.25*0.05
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64*12.5*0.25*0.05
64*12.5*0.25*0.05

64*12.5*0.25*0.05
64*12.5*0.25*0.05
=8×4×2×12.5×0.25×0.05
=(8×12.5)×(4×0.25)×(2×0.05)
=100×1×0.1
=10

64*12.5*0.25*0.05
=8*4*2*12.5*0.25*0.05
=8*12.5*4*0.25*2*0.05
=100*1*0.1
=10

64x12.5x0.25x0.05
=4x0.25x8x12.5x2x0.05
=1x90x0.1
=9
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