148ᘧ࿾125用简便方法计算?

2025-03-21 07:11:33
推荐回答(4个)
回答1:

148×125
=37×(4×125)
=37×500
=18500

回答2:

148x125
=(100+40+8)x125
=100x125+40x125+8x125
=12500+5000+1000
=18500

回答3:

148x125=148*1000/8=148000/8=18500

回答4:

148X125=1ooⅹ125+48ⅹ125=12500+8X125ⅹ6=12500+6000=18500