简便计算.一.0.9+(0.9-0.9)*0.9-0.9; 二.2.37-1.75+1.63-2.25; 三.0.125
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简便计算.一.0.9+(0.9-0.9)*0.9-0.9; 二.2.37-1.75+1.63-2.25; 三.0.125*0.25*0.5*64.
![简便计算.一.0.9+(0.9-0.9)*0.9-0.9; 二.2.37-1.75+1.63-2.25; 三.0.125](/uploads/image/z/1590569-17-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97.%E4%B8%80.0.9%2B%EF%BC%880.9-0.9%EF%BC%89%2A0.9-0.9%EF%BC%9B+%E4%BA%8C.2.37-1.75%2B1.63-2.25%EF%BC%9B+%E4%B8%89.0.125)
0.9+(0.9-0.9)*0.9-0.9
=0.9+0-0.9 = 0
2.37-1.75+1.63-2.25
= 2.37+1.63-2.25-1.75
= 4 - 4 = 0
0.125*0.25*0.5*64
= 0.5^3 * 0.5^2 * 0.5 * 2^6
= 0.5^(3+2+1) * 2^6
= (0.5 * 2)^6 = 1
再问: ^是什么意思
=0.9+0-0.9 = 0
2.37-1.75+1.63-2.25
= 2.37+1.63-2.25-1.75
= 4 - 4 = 0
0.125*0.25*0.5*64
= 0.5^3 * 0.5^2 * 0.5 * 2^6
= 0.5^(3+2+1) * 2^6
= (0.5 * 2)^6 = 1
再问: ^是什么意思