$23\times30=$ $40\times50=$ $25\times40=$
$70\times40=$ $56\times10=$ $0\times87=$
$20\times40=$ $300\times4=$ $50\times20=$
$17\times3=$ $15\times20=$ $70\times70=$
$70\times40=$ $56\times10=$ $0\times87=$
$20\times40=$ $300\times4=$ $50\times20=$
$17\times3=$ $15\times20=$ $70\times70=$
答案:
$60\times8=$ $28\div7=$ $350\div5=$
$500\times2=$ $93\div3=$ $43\times2=$
$29\times0 + 53=$ $56 - 0\div7=$ $60\times20\times2=$
$55\times10\times2=$ $480\div3 + 76=$ $31\times40\times0=$
$12\times10 + 345=$ $430 - 10\times21=$ $40\times7 - 230=$
$14\times60 + 9=$ $80\times50\div5=$ $40\times90\div4=$
$36\times10 - 110=$ $(34 + 16)\times8=$ $72\div9 + 18=$
$500\times2=$ $93\div3=$ $43\times2=$
$29\times0 + 53=$ $56 - 0\div7=$ $60\times20\times2=$
$55\times10\times2=$ $480\div3 + 76=$ $31\times40\times0=$
$12\times10 + 345=$ $430 - 10\times21=$ $40\times7 - 230=$
$14\times60 + 9=$ $80\times50\div5=$ $40\times90\div4=$
$36\times10 - 110=$ $(34 + 16)\times8=$ $72\div9 + 18=$
答案:
李奶奶用长36米的篱笆靠墙围了一个正方形的鸡舍,这个鸡舍的面积是多少?
答案:
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