算一算,填一填
(1) $27\div1=$ $27\div2=$ $27\div3=$
$27\div4=$ $27\div5=$ $27\div6=$
27的因数有______________________________
(2) $(\ \ \ \ )\times(\ \ \ \ ) = 24$ $(\ \ \ \ )\times(\ \ \ \ ) = 24$
$(\ \ \ \ )\times(\ \ \ \ ) = 24$ $(\ \ \ \ )\times(\ \ \ \ ) = 24$
24的因数有______________________________
(3) $13\times1=$ $13\times2=$ $13\times3=$
$13\times4=$ $13\times5=$ $13\times6=$
$13\times7=$
100以内13的倍数有______________________________
(1) $27\div1=$ $27\div2=$ $27\div3=$
$27\div4=$ $27\div5=$ $27\div6=$
27的因数有______________________________
(2) $(\ \ \ \ )\times(\ \ \ \ ) = 24$ $(\ \ \ \ )\times(\ \ \ \ ) = 24$
$(\ \ \ \ )\times(\ \ \ \ ) = 24$ $(\ \ \ \ )\times(\ \ \ \ ) = 24$
24的因数有______________________________
(3) $13\times1=$ $13\times2=$ $13\times3=$
$13\times4=$ $13\times5=$ $13\times6=$
$13\times7=$
100以内13的倍数有______________________________
答案:
写出下列各数的因数
2:________________ 7:________________
25:________________ 15:________________
12:________________ 36:________________
2:________________ 7:________________
25:________________ 15:________________
12:________________ 36:________________
答案:
写出下列各数的倍数(5个)
3:________________ 5:________________
7:________________ 6:________________
8:________________ 9:________________
3:________________ 5:________________
7:________________ 6:________________
8:________________ 9:________________
答案:
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