数学通用学段公开试卷
试卷一
趣味数学题 1.颠倒数乘法 (头尾相乘,平方相加) 两位数颠倒乘法练习 37 × 73 = ______ 46 × 64 = ______ 52 × 25 = ______ 68 × 86 = ______ 19 × 91 = ______ 74 × 47 = ______ 83 × 38 = ______ 29 × 92 = ______ 56 × 65
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1.颠倒数乘法 (头尾相乘,平方相加)
两位数颠倒乘法练习 37 × 73 = ______ 46 × 64 = ______ 52 × 25 = ______ 68 × 86 = ______ 19 × 91 = ______ 74 × 47 = ______ 83 × 38 = ______ 29 × 92 = ______ 56 × 65 = ______ 41 × 14 = ______ 97 × 79 = ______ 35 × 53 = ______ 62 × 26 = ______ 88 × 88 = ______ 13 × 31 = ______ 72 × 27 = ______ 94 × 49 = ______ 58 × 85 = ______ 26 × 62 = ______ 43 × 34 = ______