Question

求4乘(25乘65加25乘28)的简便计算方法

Answer 1

原式=4*25*（65+28）=100*93=9300

Answer 2

4 x (25 x 65 + 25 x 28)
=4 x [25 x (65+28)]=4x25x(65+28)
=100x93 = 9300

Answer 3

4x(25x65+25x28)=4x25x(65+28)=4x25x93=100x93=9300

Answer 4

=4×25×（65+28）=4×25×93=100×93=9300

Answer 5

4*（25*65+25*28）
=4*25*65+4*25*28
=6500+2800
=9300