(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算

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(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算(-370)x(-1

(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算
(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算

(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算
(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)=(370+24.5+-11/2)x1/4=389/4