找规律填空 69+70+71等于几乘几?42+43+41+37+38+39等于几乘几?2+4+6+8+10+12+14+16+18等于几乘几?如
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![找规律填空 69+70+71等于几乘几?42+43+41+37+38+39等于几乘几?2+4+6+8+10+12+14+16+18等于几乘几?如](/uploads/image/z/168970-58-0.jpg?t=%E6%89%BE%E8%A7%84%E5%BE%8B%E5%A1%AB%E7%A9%BA+69%2B70%2B71%E7%AD%89%E4%BA%8E%E5%87%A0%E4%B9%98%E5%87%A0%3F42%2B43%2B41%2B37%2B38%2B39%E7%AD%89%E4%BA%8E%E5%87%A0%E4%B9%98%E5%87%A0%3F2%2B4%2B6%2B8%2B10%2B12%2B14%2B16%2B18%E7%AD%89%E4%BA%8E%E5%87%A0%E4%B9%98%E5%87%A0%3F%E5%A6%82)
找规律填空 69+70+71等于几乘几?42+43+41+37+38+39等于几乘几?2+4+6+8+10+12+14+16+18等于几乘几?如
找规律填空 69+70+71等于几乘几?42+43+41+37+38+39等于几乘几?2+4+6+8+10+12+14+16+18等于几乘几?如
找规律填空 69+70+71等于几乘几?42+43+41+37+38+39等于几乘几?2+4+6+8+10+12+14+16+18等于几乘几?如
69+70+71=70*3 42+43+41+37+38+39=40* 6 2+4+6+8+10+12+14+16+18=10*9 规律:中间数*数的个数 如果是偶数个数,中间数取中间两个数的平均数.请在评价时一定选择“能解决问题”,并以五星作评价.如果还不满意,欢迎追问.