8.75-3.46-1.8*0.3 11/39*40 6-3/2-5/4-9/8-17/16 -33/32的简便运算
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8.75-3.46-1.8*0.3 11/39*40 6-3/2-5/4-9/8-17/16 -33/32的简便运算
8.75-3.46-1.8*0.3
=8.75-3.46-0.54
=8.75-(3.46+0.54)
=8.75-4
=4.75
11/39*40
=11/39*(39+1)
=11+11/39
=11又39分之11
6-3/2-5/4-9/8-17/16 -33/32
=6-1-1/2-1-1/4-1-1/8-1-1/16-1-1/32
=1-1/2-1/4-1/8-1/16-1/32
=2/2-1/2-1/4-1/8-1/16-1/32
=1/2-1/4-1/8-1/16-1/32
=1/4-1/8-1/16-1/32
=1/8-1/16-1/32
=1/16-1/32
=1/32
拉拉拉,你是菠菜咩
8.75-3.46-1.8*0.3
=8.75-3.46-0.54
=8.75-4
=4.75
11/39*40
=11*(40/39)
=11*(1+1/39)
=11+11/39
6-3/2-5/4-9/8-17/16 -33/32
=6-1-1/2-1-1/4-1-1/8-1-1/16-1-1/32
=6-5-(1/2+1/4+1/8+1/16+1/32)
=1-(1-1/32)
=1/32
6-3/2-5/4-9/8-17/16 -33/32
=1-(1-3/2)-(1-5/4)-(1-9/8)-(1-17/16)-(1-33/32)
=1-1/2-1/4-1/8-1/16-1/32
=/32
8.75-3.46-1.8*0.3 11/39*40 6-3/2-5/4-9/8-17/16 -33/32的简便运算
8.75*11-8.75简便计算
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