计算:-3又1/2÷7/8×(-3/4) 计算:(-8)÷(-1又1/9)*0.125

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计算:-3又1/2÷7/8×(-3/4)计算:(-8)÷(-1又1/9)*0.125计算:-3又1/2÷7/8×(-3/4)计算:(-8)÷(-1又1/9)*0.125计算:-3又1/2÷7/8×(-

计算:-3又1/2÷7/8×(-3/4) 计算:(-8)÷(-1又1/9)*0.125
计算:-3又1/2÷7/8×(-3/4) 计算:(-8)÷(-1又1/9)*0.125

计算:-3又1/2÷7/8×(-3/4) 计算:(-8)÷(-1又1/9)*0.125
-3又1/2÷7/8×(-3/4)
=-(7/2)(8/7)(-3/4)
=3;
计算:(-8)÷(-1又1/9)*0.125
=(-8)*(1/8)/(-10/9)
=-1/(-10/9)
=9/10