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8/9×7分之三除以括号2/3+7分之一的合等于多少

8/9×3/7/(2/3+1/7) =8/21/(17/21) =8/17

8分之9×中括号4分之3-括号16分之7减8分之1除2分之一括号 =9/8X[3/4-(7/16-1/2÷1/8)] =9/8X[3/4-(7/16-1/2X8)] =9/8X[3/4-(7/16-4)] =9/8X[3/4-(7/16-64/16)] =9/8X[3/4-(-57/16)] =9/8X[3/4+57/16] =9/8X[12/16+57/16] =9/8X[69/16] =621/128 8...

8/9除以括号2/3-8×5%括起来 =8/9÷(2/3-0.4) =8/9÷(2/3-2/5) =8/9÷4/15 =8/9x15/4 =10/3 =3又1/3

(8/9+1又3/7+6/11)÷(3/11+5/7+4/9) =2×(4/9+5/7+3/11)÷(3/11+5/7+4/9) =2

括号8/9+3分之2-2/27括号乘27 (8/9+2/3-2/27)x27 =8/9x27+2/3x27-2/27x27 =24+18-2 =42-2 =40

=(8/15+9/30)×12 =1/2×12 =6

8/9×(7/16-1/4)÷1/2 =8/9×3/16÷1/2 =1/6÷1/2 =1/3

(4/7+3/8)×7×9 =4/7×7×9+3/8×7×9 =36+23又5/8 =59又5/8

7/8-(1/9+3/8) =7/8-1/9-3/8 =4/8-1/9 =1/2-1/9 =9/18-2/18 =7/18

能不能给个图,你的描述不知道括弧括了几个

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