文档介绍：word
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370÷7= 784-685= 76×15＝486÷2= 607÷5= 900-807= 915÷3=
196+55×31 198+12×89 137+22×88 132+12×37 250+23×38 440+13×36199+25×89
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819+49×90 418+57×67516+27×36 315+57×34 147+28×36518+18×47 419+29×54
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319+32×56 189+42×37 818+41×5332+65×37 850+27×38 269+85×39
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215+35×47 652+78×36 107+29×64307+77×83 556+38×87465+85×34
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635+57×86 671+92×23 493+18×67 378+54×27 498+56×26 807+51×46
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909+37×35 414+58×47 731+59×67308+47×87 167+81×90
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506+21×49 190+76×34 41+47×36245+53×69 752+53×87
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837+68×36 865+98×49 356+76×58561+57×92 43+59×38
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538+27×38 548+52×59 87+29×78299+39×48 544+56×21
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