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x%0.52x=3.2×0.15解方程

0.48x=0.48 x=1

x-0.52x=3.2×0.15 0.48x=3.2×0.15 x=3.2×0.15/0.48=0.2×15/3=1

x-0.52x=3.2乘0.15 0.48x=0.48 x=1

x-0.52=1.3 x=1.3+0.52 x=1.82

原方程可化为 52x=234O, x=45。

X-35%X=0.52 x-0.35x=0.52 0.65x=0.52 x=52/65 x=4/5

0.52:0.78=x分之26 2:3=26/x 2x=78, x=78÷2 x=39

0.4x+0.8x×15=52 0.4x+12x=52 12.4x=52 x=52÷12.4 x≈4.194

X-0.26=0.52 X=0.52+0.26 X=0.78

解方程 20%x-4×3=52 两边同时乘以5 x-12×5=260 x=260+60 x=320

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