计算.25×4×17= 720÷36-645÷43= 36×73+36×127= 623÷89×(407-168)
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解决时间 2021-02-19 21:37
- 提问者网友:姑娘长的好罪过
- 2021-02-19 06:36
计算.25×4×17= 720÷36-645÷43= 36×73+36×127= 623÷89×(407-168)
最佳答案
- 五星知识达人网友:鱼芗
- 2021-02-19 07:59
(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.
故答案依次为:1700,5,7200,1673.
=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.
故答案依次为:1700,5,7200,1673.
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