化简含有字母的式子
1: 9a b 10x
12x 30y 4n
2: 15x 9x
24x
6x
3: 180b
4: ⑴ 12x ⑵ 3a
5: ⑴ 2(3b+b)=8b
⑵ 2(3×4+4)
=2×16
=32(厘米)
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化简含有字母的式子
1: 9a b 10x
12x 30y 4n
2: 15x 9x
24x
6x
3: 180b
4: ⑴ 12x ⑵ 3a
5: ⑴ 2(3b+b)=8b
⑵ 2(3×4+4)
=2×16
=32(厘米)
http://m.ksjqmj.com/wunianjidaan/2315.html
推荐访问