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    √((19.51/1.22)^2+〖40.45〗^2 )
    (90.6×1000)/(7×320)
    100000000/1008.771860
    (60.1×1000)/(7×440)
    arcsin(330/500)
    7128.18*cos30.401586+2138.454-4276.908*sin30.401586
    1/2-(3/8-1/6-3/4)×(-24)
    3/8÷(-2+1/4)×(-1)^2021
    1020.128×1000×412-14.3×600×118.896×(565-0.5×118.896)=
    1020.128×1000/14.3/600=
    127+20+600/2-35=
    1000×129.194/1020.128
    000×129.194/1020.128
    0.7×1.07×172.489=
    1+1/435.064×5.5^2×1=
    1300×(172.489×1000/1020.128+20)/565=
    0.7+0.3×0.766=
    132.135/172.489
    831.802×1000×356-14.3×600×96.947×(565-0.5×96.947)
    24/7*(1/6-1/8)

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