计算.25×4×17=720÷36-645÷43=36×73+36×127=623÷89×(407-168)=

发布时间:2020-08-04 15:15:09

计算.
25×4×17=
720÷36-645÷43=36×73+36×127=623÷89×(407-168)=

网友回答

解:(1)25×4×17,
=100×17,
=1700;

(2)720÷36-645÷43,
=20-15,
=5;

(3)36×73+36×127,
=(73+127)×36,
=200×36,
=7200;

(4)623÷89×(407-168),
=623÷89×239,
=7×239,
=1673.
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