比一比,算一算.、 57×100+57 29×200-29×2 57×101 29×198比一比,算一算.57×100+57 29×200-29×2 57×101 29×198
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![比一比,算一算.、 57×100+57 29×200-29×2 57×101 29×198比一比,算一算.57×100+57 29×200-29×2 57×101 29×198](/uploads/image/z/2725814-38-4.jpg?t=%E6%AF%94%E4%B8%80%E6%AF%94%2C%E7%AE%97%E4%B8%80%E7%AE%97.%E3%80%81+57%C3%97100%EF%BC%8B57+29%C3%97200%EF%BC%8D29%C3%972+57%C3%97101+29%C3%97198%E6%AF%94%E4%B8%80%E6%AF%94%2C%E7%AE%97%E4%B8%80%E7%AE%97.57%C3%97100%EF%BC%8B57+29%C3%97200%EF%BC%8D29%C3%972+57%C3%97101+29%C3%97198)
比一比,算一算.、 57×100+57 29×200-29×2 57×101 29×198比一比,算一算.57×100+57 29×200-29×2 57×101 29×198
比一比,算一算.、 57×100+57 29×200-29×2 57×101 29×198
比一比,算一算.57×100+57 29×200-29×2 57×101 29×198
比一比,算一算.、 57×100+57 29×200-29×2 57×101 29×198比一比,算一算.57×100+57 29×200-29×2 57×101 29×198
57×100+57
=5700+57
=5757
29×200-29×2
=5800-58
=5742
57×101
=57*100+57
=5700+57
=5757
29×198
=29*200-29*2
=5800-58
=5742