(125x17)x82简便计算

(125x17)x82简便计算
2025-06-22 12:12:10
推荐回答(2个)
回答1:

(125x17)x82
=(125x17)x80 + (125x17)x2
=10000x17 + 250x17
=170000 +4250
=174250

回答2:

(125x17)x82
=125x2x17x41
=250x697
=250x696+250
=250x4x174+250
=1000x174=250
=174000+250
=174250