admin百科知識 2022-02-13 5:27:27 簡便方法計算;58+38-58+38= 4.28+(5.72-3.99)= 17* (42+711)8.1*16+8.1*56= 12*13除12*13=簡便方法計算;5/8 3/8-5/8 3/8= 4.28 (5.72-3.99)= 1/7* (42 7/11)8.1*1/6 8.1*5/6= 1/2*1/3除1/2*1/3=網友廻答:匿名網友計算;5/8 3/8-5/8 3/8= (5/8-5/8) (3/8 3/8)=3/44.28 (5.72-3.99)= 4.28 5.72-3.99=10-3.99=6.011/7* (42 7/11)=1/7×42 1/7×7/11=6 1/11=6 1/118.1*1/6 8.1*5/6=8.1(1/6 5/6)=8.11/2*1/3除1/2*1/3=1/3×1/3=1/9 db標簽 生活常識_百科知識_各類知識大全»簡便方法計算;58+38-58+38= 4.28+(5.72-3.99)= 17* (42+711)8.1*16+8.1*56= 12*13除12*13=
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