奧數(shù) > 小學試題庫 > 口算題 > 三年級口算題 > 正文
2018-08-16 14:53:29
2018年小學三年級口算練習題(十五)
939-362 = 135+93 = 753+218 = 398+462 = 712+266 =
45×12 = 3×217 = 13×52 = 170×2 = 367×5 =
268-194 = 922-769 = 454+239 = 707-637 = 525+41 =
850-239 = 949-239 = 497+197 = 188+147 = 485-405 =
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