小学四年级
第1个回答 2014-03-22
这。。。
35*×2×4×15
=(35×2)×(4×15)
=70×60
=4200本回答被提问者采纳
35*×2×4×15
=(35×2)×(4×15)
=70×60
=4200本回答被提问者采纳
第2个回答 2014-03-22
35x8x15=35x2x4x15=70x60=4200
第3个回答 2014-03-22
35x8x15
=35*2*4*15
=(35*2)*(4*15)
=70*60
=4200
=35*2*4*15
=(35*2)*(4*15)
=70*60
=4200
第4个回答 2014-03-22
35x8x15=5x7x2x4x3x5
=(5x5x4)x(7x2x3)
=100x42
=4200
=(5x5x4)x(7x2x3)
=100x42
=4200