几道我妹的数学题,一、计算(1)7/9×7/9= (2)7/9×3/4= (3)7/9×2/7= (4)7/9×9/10= (5)7/9×1/6(6)2/5×5/8= (7)3/10×5/8= (8)4/7×5/8= ( 9 )8/13×5/8= (10)3/20×5/8=二、比较大小(1)7/8×2/3 7/8×
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![几道我妹的数学题,一、计算(1)7/9×7/9= (2)7/9×3/4= (3)7/9×2/7= (4)7/9×9/10= (5)7/9×1/6(6)2/5×5/8= (7)3/10×5/8= (8)4/7×5/8= ( 9 )8/13×5/8= (10)3/20×5/8=二、比较大小(1)7/8×2/3 7/8×](/uploads/image/z/697302-54-2.jpg?t=%E5%87%A0%E9%81%93%E6%88%91%E5%A6%B9%E7%9A%84%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E4%B8%80%E3%80%81%E8%AE%A1%E7%AE%97%EF%BC%881%EF%BC%897%2F9%C3%977%2F9%3D+%EF%BC%882%EF%BC%897%2F9%C3%973%2F4%3D+%EF%BC%883%EF%BC%897%2F9%C3%972%2F7%3D+%EF%BC%884%EF%BC%897%2F9%C3%979%2F10%3D+%EF%BC%885%EF%BC%897%2F9%C3%971%2F6%EF%BC%886%EF%BC%892%2F5%C3%975%2F8%3D+%EF%BC%887%EF%BC%893%2F10%C3%975%2F8%3D+%EF%BC%888%EF%BC%894%2F7%C3%975%2F8%3D+%EF%BC%88+9+%EF%BC%898%2F13%C3%975%2F8%3D+%EF%BC%8810%EF%BC%893%2F20%C3%975%2F8%3D%E4%BA%8C%E3%80%81%E6%AF%94%E8%BE%83%E5%A4%A7%E5%B0%8F%EF%BC%881%EF%BC%897%2F8%C3%972%2F3+7%2F8%C3%97)
几道我妹的数学题,一、计算(1)7/9×7/9= (2)7/9×3/4= (3)7/9×2/7= (4)7/9×9/10= (5)7/9×1/6(6)2/5×5/8= (7)3/10×5/8= (8)4/7×5/8= ( 9 )8/13×5/8= (10)3/20×5/8=二、比较大小(1)7/8×2/3 7/8×
几道我妹的数学题,
一、计算
(1)7/9×7/9= (2)7/9×3/4= (3)7/9×2/7= (4)7/9×9/10= (5)7/9×1/6
(6)2/5×5/8= (7)3/10×5/8= (8)4/7×5/8= ( 9 )8/13×5/8=
(10)3/20×5/8=
二、比较大小
(1)7/8×2/3 7/8×4/5(2)7/9×1/7 3/7×7/9 (3)1/4×3/4 3/4×3/4
(4)12×3/8 3/9×12
几道我妹的数学题,一、计算(1)7/9×7/9= (2)7/9×3/4= (3)7/9×2/7= (4)7/9×9/10= (5)7/9×1/6(6)2/5×5/8= (7)3/10×5/8= (8)4/7×5/8= ( 9 )8/13×5/8= (10)3/20×5/8=二、比较大小(1)7/8×2/3 7/8×
一、计算
(1)7/9×7/9= 49/81 (2)7/9×3/4=7/12 (3)7/9×2/7=2/9 (4)7/9×9/10=7/10
(5)7/9×1/6=7/54
(6)2/5×5/8=1/4 (7)3/10×5/8=3/16 (8)4/7×5/8=5/14 ( 9 )8/13×5/8=5/13
(10)3/20×5/8=3/32
二、比较大小
(1)7/8×2/3 < 7/8×4/5(2)7/9×1/7 < 3/7×7/9 (3)1/4×3/4 < 3/4×3/4
(4)12×3/8 > 3/9×12
一、49/81 7/12 2/9 7/10 7/54
1/4 3/16 5/14 5/13
3/32
二、< < <
>
一、计算
(1)7/9×7/9=49/81 (2)7/9×3/4=7/12 (3)7/9×2/7= 2/9 (4)7/9×9/10=7/10 (5)7/9×1/6=7/54
(6)2/5×5/8= 1/4 (7)3/10×5/8=3/16 (8)4/7×5/8=5/14 ( 9 )8/13×5/8=5/13
(10)3/20×5/8=3/32
...
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一、计算
(1)7/9×7/9=49/81 (2)7/9×3/4=7/12 (3)7/9×2/7= 2/9 (4)7/9×9/10=7/10 (5)7/9×1/6=7/54
(6)2/5×5/8= 1/4 (7)3/10×5/8=3/16 (8)4/7×5/8=5/14 ( 9 )8/13×5/8=5/13
(10)3/20×5/8=3/32
二、比较大小
(1)7/8×2/3=7/12 < 7/8×4/5=7/10(2)7/9×1/7=1/9 < 3/7×7/9=1/3
(3)1/4×3/4=3/16 < 3/4×3/4=9/16(4)12×3/8=9/2 > 3/9×12=4
呵呵,祝你妹妹学业有成
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