(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
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(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
=(0.1+0.4+7.125÷1.25)÷(18.25-5.5×3.2)
=(0.5+5.7)÷(18.25-17.6)
=6.2÷0.65
=9.54
=(0.1+2.5+7.125÷1.25)÷(18.25-5.5×3.2)
=(0.1+2.5+5.7)÷(18.25-17.6)
=8.3÷0.65
=12又13分之10
如果上面说的7又8/1是7又8分之1的话就应该这样做
5/2 8/1 2/1 5/1是不是都应该倒过来写呀 2/5 1/8 1/2 1/5