来自裴葆青的问题
30道“分数”乘法口算题10道分数混合运算,(不要除法)
30道“分数”乘法口算题10道分数混合运算,(不要除法)
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2020-04-07 22:46
30道“分数”乘法口算题10道分数混合运算,(不要除法)
30道“分数”乘法口算题10道分数混合运算,(不要除法)
1.3/7×49/9-4/32.8/9×15/36+1/27
3.12×5/6–2/9×34.8×5/4+1/4
5.6÷3/8–3/8÷66.4/7×5/9+3/7×5/9
7.5/2-(3/2+4/5)8.7/8+(1/8+1/9)
9.9×5/6+5/610.3/4×8/9-1/3
11.7×5/49+3/1412.6×(1/2+2/3)
13.8×4/5+8×11/514.31×5/6–5/6
15.9/7-(2/7–10/21)16.5/9×18–14×2/7
17.4/5×25/16+2/3×3/418.14×8/7–5/6×12/15
19.17/32–3/4×9/2420.3×2/9+1/3
21.5/7×3/25+3/722.3/14××2/3+1/6
23.1/5×2/3+5/624.9/22+1/11÷1/2
25.5/3×11/5+4/326.45×2/3+1/3×15
27.7/19+12/19×5/628.1/4+3/4÷2/3
29.8/7×21/16+1/230.101×1/5–1/5×21