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0<8x%(5x+12)<8 怎么写

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=12.5x0.8x17.8 =10x17.8 =178

35.8×12.5×0.8 =35.8×100 =3580

12.5x17.8x0.8 =12.5x0.8x17.8 =10x17.8 =178

12.5x17.8x0.8 =12.5×0.8×17.8 =10×17.8 =178 乘法交换律

5x+12=8x-24 8x-5x=12+24 3x=36 x=12 你好,本题已解答,如果满意 请点右上角“采纳答案”。

(12.5X46.2 +53.8X12.5)x0.8 =(577.5+672.5)x0.8 =1250×0.8 =1000

8x=2.4÷2+3 8x=1.2+3 8x=4.2 x=4.2÷8 x=0.525

12.5x0.76x0.4×8x2.5 = (12.5x8)x0.76x(0.4x2.5) = 10x0.76x1 = 7.6

你好! 8x-5x=12 3x=12 x=4

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