Question

5x76x4x5怎样简便运算四年级的题？

Answer 1

解：原式＝（5×4×5）×76
＝100×76
＝7600

Answer 2

5x76x4x5
=5*4*5*76
=100*76
=7600

Answer 3

5×76×4×5
＝5×5×4×76
＝25×4×76
＝100×76
＝7600

Answer 4

5×76×4×5
=76×(4×5×5)
=76×100
=7600