如题所述
第1个回答 2011-07-20
102X35
=(100+2)×35
=100×35+2×35
=3500+70
=3570
【解析】 这个是乘法分配律 把102分配成100和2
=(100+2)×35
=100×35+2×35
=3500+70
=3570
【解析】 这个是乘法分配律 把102分配成100和2
第2个回答 2011-07-20
102X35
=(100+2)X35
=100X35+2X35
=3500+70
=3570
=(100+2)X35
=100X35+2X35
=3500+70
=3570
第3个回答 2011-07-20
102X35
=(100+2)x35
=100x35+2x35
=3500+70
=3570
=(100+2)x35
=100x35+2x35
=3500+70
=3570
第4个回答 2011-07-20
102X35
=(100+2)x35
=100x35+2x35
=3500+70
=3570本回答被提问者采纳
=(100+2)x35
=100x35+2x35
=3500+70
=3570本回答被提问者采纳
第5个回答 2011-07-20
(100+2)*35
=100*35+2*35
=3500+70
=3570
=100*35+2*35
=3500+70
=3570