如题所述
第1个回答 2012-04-19
800÷25x4
=800÷(25x4)x4^2
=800÷100x16
=8x16
=128本回答被提问者采纳
=800÷(25x4)x4^2
=800÷100x16
=8x16
=128本回答被提问者采纳
第2个回答 2012-04-19
800÷25x4
=800÷(25x4)x4x4
=800÷100x4x4
=8x4x4
=128
=800÷(25x4)x4x4
=800÷100x4x4
=8x4x4
=128