Question

58×77+40×77+154用简便方法计算？

58×77+40×77+154用简便方法计算

Answer 1

58*77+40*77+154
=77*（58+40）+154
=77*98+154
=7546+154
=7700

Answer 2

58X77+40x77+154
=(58+40)x77+154
=98Ⅹ77+154
=7546+154
=7700

Answer 3

58×77+40×77+154
=58×77+40×77+2×77
=(58+40+2)×77
=100×77
=7700

Answer 4

58×77+40×77+154
=58×77+40×77+2×77
=(58+40+2)×77
=100×77
=7700

Answer 5

58X77+40X77+154
=58X77+40X77+77X2
=77X（58+40+2）
=77X100
=7700