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8/11×(3/2-9/20÷2/5)

(8/9+11/18)*2/3÷2怎么解答 (8/9+11/18)*2/3, (16/18+11/18)*2/3 =(27/18)*2/3 =(3/2)*2/3 =1.

3/5÷[7/8-(2/5+3/8)]-(4/5-1/4)* 6/11÷9/20=3/5÷(7/8-3/8-2/5)-(16/20-5/20)x6/11x20/9=0.6÷(0.5-0.4)-11/20x6/11x20/9=0.6÷0.1-6/9=6-2/3=5又 1/3

4√2

20/9÷11/8-2/9*8/11=20/9*8/11-2/9*8/11=(20/9-2/9)*8/11=2*8/11=16/11=1又11分之5

2/5÷(2/3-2/9)x3/8=2/5÷(6/9-2/9)x3/8=2/5÷4/9x3/8=9/10x3/8=27/80祝学习进步,望采纳,不懂得的欢迎追问

乘除法是同级运算,2/3与3/2相乘得1,则9/1/(-5)=???

49.2÷(2*4.3-0.4) =6*8.2÷(2*4.3-2*0.2) =6*8.2÷[2*(4.3-0.2)] =6*8.2÷(2*4.1) =6*8.2÷8.2 =6 =================== 7/5*4/9+4/5*2/9 =7/5*4/9+4/9*2/5 =4/9*(7/5+2/5) =4/9*9/5 =4/5 -------------------- 9.45-(5/8-11/20)0.375 =9.45-5/8+11/20-3/8 =9.45-

8*(2/5)-(4)÷(2/9)+8*(3/5)=-16/5-18+(-24/5)=(-16/5-24/5)-18=-8-18=-26朋友你好!问题已解决,能采纳吗?谢谢

9分之20除以8分之11-9分之2乘11分之8=9分之20*11分之8-9分之2*11分之8=11分之8*(9分之20-9分之2)=11分之8*2=11分之16乘法分配律

3.8-2÷11-3/11*3=3.8-2/11-9/11=3.8-(2/11+9/11)=3.8-1=2.8

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