5个二分之一之间填上符号加号,减号,乘号,除号使等式成立(1) 2/1 2/1 2/1 2/1 2/1=0 (2) 2/1 2/1 2/1 2/1 2/1=1 (3) 2/1 2/1 2/1 2/1 2/1=2 (4) 2/1 2/1 2/1 2/1 2/1=3 (5) 2/1 2/1 2/1 2/1 2/1=4 貌似题目没说加括
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![5个二分之一之间填上符号加号,减号,乘号,除号使等式成立(1) 2/1 2/1 2/1 2/1 2/1=0 (2) 2/1 2/1 2/1 2/1 2/1=1 (3) 2/1 2/1 2/1 2/1 2/1=2 (4) 2/1 2/1 2/1 2/1 2/1=3 (5) 2/1 2/1 2/1 2/1 2/1=4 貌似题目没说加括](/uploads/image/z/213873-33-3.jpg?t=5%E4%B8%AA%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80%E4%B9%8B%E9%97%B4%E5%A1%AB%E4%B8%8A%E7%AC%A6%E5%8F%B7%E5%8A%A0%E5%8F%B7%2C%E5%87%8F%E5%8F%B7%2C%E4%B9%98%E5%8F%B7%2C%E9%99%A4%E5%8F%B7%E4%BD%BF%E7%AD%89%E5%BC%8F%E6%88%90%E7%AB%8B%EF%BC%881%EF%BC%89+2%2F1+2%2F1+2%2F1+2%2F1+2%2F1%3D0+%EF%BC%882%EF%BC%89+2%2F1+2%2F1+2%2F1+2%2F1+2%2F1%3D1+%EF%BC%883%EF%BC%89+2%2F1+2%2F1+2%2F1+2%2F1+2%2F1%3D2+%EF%BC%884%EF%BC%89+2%2F1+2%2F1+2%2F1+2%2F1+2%2F1%3D3+%EF%BC%885%EF%BC%89+2%2F1+2%2F1+2%2F1+2%2F1+2%2F1%3D4+%E8%B2%8C%E4%BC%BC%E9%A2%98%E7%9B%AE%E6%B2%A1%E8%AF%B4%E5%8A%A0%E6%8B%AC)
5个二分之一之间填上符号加号,减号,乘号,除号使等式成立(1) 2/1 2/1 2/1 2/1 2/1=0 (2) 2/1 2/1 2/1 2/1 2/1=1 (3) 2/1 2/1 2/1 2/1 2/1=2 (4) 2/1 2/1 2/1 2/1 2/1=3 (5) 2/1 2/1 2/1 2/1 2/1=4 貌似题目没说加括
5个二分之一之间填上符号加号,减号,乘号,除号使等式成立
(1) 2/1 2/1 2/1 2/1 2/1=0
(2) 2/1 2/1 2/1 2/1 2/1=1
(3) 2/1 2/1 2/1 2/1 2/1=2
(4) 2/1 2/1 2/1 2/1 2/1=3
(5) 2/1 2/1 2/1 2/1 2/1=4
貌似题目没说加括号的...
5个二分之一之间填上符号加号,减号,乘号,除号使等式成立(1) 2/1 2/1 2/1 2/1 2/1=0 (2) 2/1 2/1 2/1 2/1 2/1=1 (3) 2/1 2/1 2/1 2/1 2/1=2 (4) 2/1 2/1 2/1 2/1 2/1=3 (5) 2/1 2/1 2/1 2/1 2/1=4 貌似题目没说加括
首先给你改一下,二分之一是这样地:1/2 ( 1/2- 1/2)* 1/2 +1/2 - 1/2=0 (1/2- 1/2)* 1/2 +1/2 + 1/2=1 (1/2- 1/2+ 1/2 +1/2 ) 除以1/2=2 (1/2+1/2)除以1/2+1/2+1/2=3 (1/2+1/2+1/2+1/2)除以1/2=4
(1) (1/2-1/2)*1/2*1/2*1/2=0
(2) 1/2 +1/2 +1/2 +1/2 +1/2=1
(3) 1/2 -1/2+ (1/2除以1/2 除以1/2)=2
(4)1/2+ 1/2+ (1/2 除以1/2 除以1/2)=3
(5)(1/2 +1/2+ 1/2 +1/2)除以 1/2 =4
(1) ( 1/2 - 1/2 ) × 1/2 × 1/2 × 1/2 = 0
(2) 1/2 ÷ 1/2 ÷ 1/2 - 1/2 - 1/2 = 1
(3) 1/2 ÷ 1/2 ÷ 1/2 ÷ 1/2 × 1/2 = 2
(4) 1/2 ÷ 1/2 + 1/2 ÷ 1/2 ÷ 1/2 = 3
(5)( 1/2 + 1/2 + 1/2 + 1/2 )÷ 1/2 = 4
还有一点:二分之一是1/2,2/1是一分之二,懂?
貌似不能不用括号诶