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3.6×5/8×36×0.0375简便计算

3.6x5/8+36x0.0375 =3.6x0.625+3.6x0.375 =3.6x(0.625+0.375) =3.6x1 =3.6

8000×0.0375 =800×0.375 =800×(3÷8) =800÷8×3 =100×3 =300

500x(1+0.0375x2) =500+500x0.0375x2 =500+0.0375x1000 =500+37.5 =537.5

x×0.0375×2+x=4300 0.075x+x=4300 1.075x=4300 x=4300÷1.075 x=4000

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