tiku,三年级下册数学脱式计算题
132+12×37 250+23×38 440+13×36
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199+25×89 819+49×90 418+57×67
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516+27×36 315+57×34 147+28×36
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518+18×47 419+29×54 128+28×19
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319+32×56 189+42×37 818+41×53
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32+65×37 850+27×38 269+85×39
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215+35×47 652+78×36 107+29×64
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307+77×83 635+57×86 556+38×87
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671+92×23 493+18×67 465+85×34
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378+54×27 498+56×26 807+51×46
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909+37×35 414+58×47 731+59×67
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308+47×87 167+81×90 299+33×77
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506+21×49 190+76×34 41+47×36
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