$840\div8=$ $120\times5=$ $0\div80=$
$17\times6=$ $400\div8=$ $76\div4=$
$45\times3=$ $630\div7=$ $51\div3=$
$28\times4=$ $15\times6=$ $43\times2=$
$17\times6=$ $400\div8=$ $76\div4=$
$45\times3=$ $630\div7=$ $51\div3=$
$28\times4=$ $15\times6=$ $43\times2=$
答案:
$456\div2=$ $714\div7=$ $381\div3=$
$2\enclose{longdiv}{456}$ $7\enclose{longdiv}{714}$ $3\enclose{longdiv}{381}$
$771\div3=$ $805\div5=$ $624\div3=$
$3\enclose{longdiv}{771}$ $5\enclose{longdiv}{805}$ $3\enclose{longdiv}{624}$
$2\enclose{longdiv}{456}$ $7\enclose{longdiv}{714}$ $3\enclose{longdiv}{381}$
$771\div3=$ $805\div5=$ $624\div3=$
$3\enclose{longdiv}{771}$ $5\enclose{longdiv}{805}$ $3\enclose{longdiv}{624}$
答案:
把3、7、8、9这四个数分别填入____内, $\square\enclose{longdiv}{\square\square\square}$
使算式的商最大。
使算式的商最大。
答案:
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