
数学问题啊
(-3/4)*(-3.5)*1又1/3==()-0.12的绝对值*1/12+(-100)==()(写出过程~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
(-3/4)*(-3.5)*1又1/3==( )-0.12的绝对值*1/12+(-100)==( )(写出过程~!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)速度~~~~~~~~~~~~~~~~~~~~~~~给3分钟
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(-3/4)*(-3.5)*1又1/3
=3/4*3.5*4/3
=(3/4*4/3)*3.5
=1*3.5
=3.5
-0.12的绝对值*1/12+(-100)
是不是-0.12都在绝对值里?
=0.12*1/12-100
=0.01-100
=-99.99
=3/4*3.5*4/3
=(3/4*4/3)*3.5
=1*3.5
=3.5
-0.12的绝对值*1/12+(-100)
是不是-0.12都在绝对值里?
=0.12*1/12-100
=0.01-100
=-99.99
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