姓名 ______________________日期 ____________得分 ____ / 12
百分数的增减练习
百分数的增减 · 1–12
求新的数量，或求变化的百分数。
1.Percent change from 160 to 200
2.Percent change from 300 to 285
3.Percent change from 400 to 560
4.Percent change from 240 to 228
5.Percent change from 40 to 48
6.Percent change from 120 to 84
7.Percent change from 300 to 390
8.Percent change from 40 to 34
9.Percent change from 260 to 195
10.Percent change from 180 to 270
11.Percent change from 120 to 108
12.Percent change from 320 to 416
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