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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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05网免费提供各类练习与测试答案,请牢记零五网网址:05W.CC
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/14718.html
推荐访问