數學問題........
101x38=(100+1)x38
=________x38+_______x38
=________+__________
=_______
996x32=(1000_______)x32
=1000x32-_______x_______
=_______-_______
=_______
回答 (3)
✔ 最佳答案
我帮你做第一条 第二条你自己试下做
101x38=(100+1)x38
=100X38+1X38
=3800+38
=3838
e個係乘法分配性質既問題
101x38=(100+1)x38
=100x38+1x38
=3800+38
=3838
996x32=(1000-4)x32
=1000x32-4x32
=32000-128
=31872
咁樣做,可以計得快d
參考: me
101x38=(100+1)x38
=_100x38+1x38
=3800+38
=3838
996x32=(1000-4)x32
=1000x32-4x32
=32000-128
=31872
參考: me
收錄日期: 2021-04-25 20:17:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070723000051KK01714
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