小学三年级脱式计算题

2026-05-29

270×2÷9 =540÷9 =60 305÷5×4 =61×4 =244 400÷(2×4) =400÷8 =50 560÷7×6 =80×6 =480 19×4+15 =76+15 =91。...

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