A. 97乘102用简便方法运算
97x102
=97x(100+2)
=9700+194
=9894
求采纳!!!
B. 102x97有简便方法吗
原式
=(100+2)x97
=100x97+2x97
=9700+194
=9894
102x(100-3)
=102x100-102x3
=10200-306
=9894
(100+2)x(100-3)
=100x100-3x100+2x100-2x3
=10000-300+200-6
=9700+200-6
=9900-6
=9894
……
供参考。
C. 97×102简便计算
97×102简便计算
97×102
=97*(100+2)
=97*100+97*2
=9700+194
=9894
D. 102×97简便运算
102×97简便运算
=(100+2)*(100-3)
=100*100-100*3+2*100-2*3
=100*(100-3+2)-6
=100*99-6
=9900-6
=9894
E. 用简便算法97×102
97×102
=97×(100+2)
=97×100+97×2
=9700+194
=9894
F. 102乘97用简便方法计算
(100+2)*(100-3)
=100*100-100*3+2*100-2*3
=10000-300+200-6
=9894
G. 102乘以97的简变全法
法一:
102×97
=(100+2)×97
=100×97+2×97
=9700+194
=9894
法二:
102×97
=102x(100-3)
=102x100-102x3
=10200-306
=9894
法三:
102×97
=(100+2)x(100-3)
=100x100-3x100+2x100-2x3
=10000-300+200-6
=9700+200-6
=9900-6
=9894
希望帮到你 望采纳 谢谢 加油
H. 102乘97用乘法分配律怎么算