问题
解答题
4×(25×25+25×175)
答案
4×(25×25+25×175),
=4×25×25+4×25×175,
=100×25+100×175,
=100×(25+175),
=100×200,
=20000.
4×(25×25+25×175)
4×(25×25+25×175),
=4×25×25+4×25×175,
=100×25+100×175,
=100×(25+175),
=100×200,
=20000.