18X36+82X36 (4+40)X25 24X - 知识问答

18X36+82X36 (4+40)X25 24X59+24 56x101-56 是乘法运算定律 = = = = = =

2个回答

18×36+82×36
=36×(18+82)
=36×100
=3600
(4+40)×25
=4×25+40×25
=100+1000
=1100
24×59+24
=24×(59+1)
=24×60
=1440
56×101-56
=56×(101-1)
=56×100
=5600

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