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78\frac{7}{8}87 - 28\frac{2}{8}82 =
18\frac{1}{8}81
28\frac{2}{8}82
38\frac{3}{8}83
58\frac{5}{8}85
910\frac{9}{10}109 - 510\frac{5}{10}105 =
25\frac{2}{5}52
12\frac{1}{2}21
310\frac{3}{10}103
1410\frac{14}{10}1014
34\frac{3}{4}43 - 18\frac{1}{8}81 =
48\frac{4}{8}84
24\frac{2}{4}42
以下哪一项是正确的?
23+23=46\frac{2}{3}+\frac{2}{3}=\frac{4}{6}32+32=64
27−12=14\frac{2}{7}-\frac{1}{2}=\frac{1}{4}72−21=41
910−15=810\frac{9}{10}-\frac{1}{5}=\frac{8}{10}109−51=108
12+14=34\frac{1}{2}+\frac{1}{4}=\frac{3}{4}21+41=43
56\frac{5}{6}65 - 23\frac{2}{3}32 =
36\frac{3}{6}63
16\frac{1}{6}61
26\frac{2}{6}62
33\frac{3}{3}33
45\frac{4}{5}54 与 25\frac{2}{5}52 相差多少?
110\frac{1}{10}101
710\frac{7}{10}107
65\frac{6}{5}56
68\frac{6}{8}86 - 12\frac{1}{2}21 的答案与哪一组相同 ?
78\frac{7}{8}87 - 38\frac{3}{8}83
78\frac{7}{8}87 - 58\frac{5}{8}85
14\frac{1}{4}41 - 18\frac{1}{8}81
12\frac{1}{2}21 - 38\frac{3}{8}83
王叔叔的手推车装有 12kg\frac{1}{2}kg21kg 的包菜和 18kg\frac{1}{8}kg81kg 的黄瓜。计算王叔叔的手推车上装有多少kg 的蔬菜?
14kg\frac{1}{4}kg41kg
210kg\frac{2}{10}kg102kg
28kg\frac{2}{8}kg82kg
58kg\frac{5}{8}kg85kg
1 − ? =471\ \ -\ \ ?\ =\frac{4}{7}1 − ? =74
27\frac{2}{7}72
37\frac{3}{7}73
47\frac{4}{7}74
57\frac{5}{7}75
89 − ? =39\frac{8}{9}\ -\ \ ?\ =\frac{3}{9}98 − ? =93
39\frac{3}{9}93
49\frac{4}{9}94
29\frac{2}{9}92
59\frac{5}{9}95
以下哪个答案不等于 13\frac{1}{3}31 ?
23−13\frac{2}{3}-\frac{1}{3}32−31
1 −461\ -\frac{4}{6}1 −64
66−36\frac{6}{6}-\frac{3}{6}66−63
69−39\frac{6}{9}-\frac{3}{9}96−93
十分之八减十分之二等于几分之几?
十分之三
十分之四
五分之二
五分之三
袋子里有6个红苹果和4个青苹果。红苹果的数量比青苹果的数量多出几分之几?
46\frac{4}{6}64
15\frac{1}{5}51
56−26=\frac{5}{6}-\frac{2}{6}=65−62=
79−19=\frac{7}{9}-\frac{1}{9}=97−91=
23\frac{2}{3}32
79\frac{7}{9}97
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