64✖️15➖14✖️5的简便方法是?
发布网友
发布时间:2024-10-01 16:34
我来回答
共4个回答
热心网友
时间:2024-10-19 05:20
64×15-14×5
=64×3×5-14×5
=192×5-14×5
=5×(192-14)
=5×178
=890
热心网友
时间:2024-10-19 05:20
64✖️15➖14✖️5
=192*5-14*5
=5*(192-14)
=5*178
=890
热心网友
时间:2024-10-19 05:19
64+15-14+5
=64-14+15+5
=(64-14)+(15+5)
=50+20
=20
热心网友
时间:2024-10-19 05:13
64x15 -14 x5
=64x3x5 -14x5
=192x5-14x5
=5x(192-14)
=5x178
=5x(180-2)
=5x180 - 5x2
=900-10
=890