Помогите решить СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

Помогите решить СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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Answer 1

1)(4/3)²*(1/2)³:(2/9)²=16/9*1/8*81/4=9/2=4,5
2)(-3/2)³*(8/3)²:(-8/7)²=27/8*64/9*49/64=147/8=18 3/8=18,375
3)4²*(-12)³*9/(32*(-3)^4)=4*(-12)*144*9/(32*81)=-92
4)(x²*x³+x^9)/(x^5*x^8)=49
x^14/x^13=49
x=49