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(216➗8十26)X25脱式计算

240÷(240-8*25)=240÷(240-200)=240÷40=6

(25x16十216)÷8=(400+216)÷8=616÷8=77

(20十8)x25=20x25+8x25=500+200=700 您好,答题不易 如有帮助请采纳,谢谢

25x8+7x25-5x25=(8+7-5)x25=10x25=250

原式=25*8*26=200*26=5200

5x8x2x25=(5x8)x(2x25)=40x50=2000

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408*25=(400+4+4)*25=400*25+4*25+4*25=10000+100+100=10200

二年级数学脱式计算 姓名: 一、脱式计算 77-46+32 65-38+26 79+19-56 69-(39-23) (2+7)*8 = = = = = = = = = = (58-34)÷8 84-27+16= 4+27-16 99+(25-24) 6*(2+6) = = = = = = = = = =

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