Question

求∶小学三年级递等式计算题正确答案

125 × 29 ＋ 125 要求用递等式计算谢谢了

Answer 1

125 × 29 ＋ 125=125×（29+1）=125×30=3750

Answer 2

125×29+125
=（29+1）×125
=30×125
=3750

Answer 3

　　=125×29+125×1＝125×（29+1）＝125×30=4750