(1/3-1/4)÷1/8+5/6 8-5/9-9/1*4 (1/2-1/3+1/6)*24 4/9÷{4/5-(1/5
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/11/20 19:07:49
(1/3-1/4)÷1/8+5/6 8-5/9-9/1*4 (1/2-1/3+1/6)*24 4/9÷{4/5-(1/5+1/3)} 简便运算
(1/3-1/4)÷1/8+5/6
=(1/3-1/4)×8+5/6
=1/3×8-1/4×8+5/6
=8/3-2+5/6
=2/3+5/6
=3/2
8-5/9-9/1*4
=8-5/9-4/9
=8-(5/9+4/9)
=8-1
=7
(1/2-1/3+1/6)*24
=1/2×24-1/3×24+1/6×24
=12-8+4
=8
4/9÷{4/5-(1/5+1/3)}
=4/9÷{4/5-1/5-1/3}
=4/9÷{3/5-1/3}
=4/9÷4/15
=4/9×15/4
=5/3
=(1/3-1/4)×8+5/6
=1/3×8-1/4×8+5/6
=8/3-2+5/6
=2/3+5/6
=3/2
8-5/9-9/1*4
=8-5/9-4/9
=8-(5/9+4/9)
=8-1
=7
(1/2-1/3+1/6)*24
=1/2×24-1/3×24+1/6×24
=12-8+4
=8
4/9÷{4/5-(1/5+1/3)}
=4/9÷{4/5-1/5-1/3}
=4/9÷{3/5-1/3}
=4/9÷4/15
=4/9×15/4
=5/3
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