计算题,一共6道题,

问题描述:

计算题,一共6道题,
(-23)-(-59)-(-3.5)
/-32/-(-12)-72(-5)
(-4分之1)-(-8分之5)-8分之1
(+10分之3)-(-7分之4)-(-5分之2)-7分之10
(-5分之16)-3-(-3.2)-7
(+7分之1)-(-7分之2)-7分之3

(-23)-(-59)-(-3.5)
=-23+59+3.5
=36+3.5
=39.5
/-32/-(-12)-72(-5)
=32+12+360
=404
(-4分之1)-(-8分之5)-8分之1
=-1/4+5/8-1/8
=(-2+5-1)/8
=2/8
=1/4
(+10分之3)-(-7分之4)-(-5分之2)-7分之10
=10/3+7/4+5/2-7/10
=(400+210+300-84)/120
=826/120
=413/60
(-5分之16)-3-(-3.2)-7
=-5/16-3+3.2-7
=-(25-240+256-560)/80
=-519/80
(+7分之1)-(-7分之2)-7分之3
=1/7+2/7-3/7
=(1+2-3)/7
=0/7
=0