(1)和=13.2+1.9(2)差=13.2-1.9(1)与(2)两者相差:(13.2+1.9)-(13.2-1.9)=1.9+1.9=3.813.2与1.9的和比它们的差大3.8
如果两者计2113算差值的时候是以526113.2为被减数,41021.9为减数,(13.2+1.9)-(13.2-1.9)=13.2+1.9-13.2+1.9=(13.2-13.2)+(1.9+1.9)=0+3.8=3.8,所求数值1653为3.8
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(1)和=13.2+1.9
(2)差=13.2-1.9
(1)与(2)两者相差:
(13.2+1.9)-(13.2-1.9)
=1.9+1.9
=3.8
13.2与1.9的和比它们的差大3.8
如果两者计2113算差值的时候是以526113.2为被减数,41021.9为减数,
(13.2+1.9)-(13.2-1.9)
=13.2+1.9-13.2+1.9
=(13.2-13.2)+(1.9+1.9)
=0+3.8
=3.8,
所求数值1653为3.8