77-41/1579+19-5669-(39-23)(2+7)X8、脱式计算3X9X393+23+944X6+720F4+56X8+5(75-18)X777-76+3261-38+269X6+410+5X4、脱式计算(58-34)F884-27+16=4+27-1699+(25-24)6X(2+6)77-76+361-38+279+19-118-36+230+(23-273-23-93-(39-271-(25-24)87-27+1699-46+322/15三、脱式计算33-(39-23)99-(25-24)99-96+3269-39+2687-27+1630-(23+23+23+993-(39-23)99-(99-29)99-36+293/15五、脱式计算99+99-966X2+77X(45F5)19+9X616F2X7(19+2)F3(36F4)+2732F4+1629-4X242F6X7六、脱式计算99-29+9655-46+2265-28+2658+18-5658-26+25=4/15七、脱式计算84-25+164+25-182+22+8468-(28-22)18-26+2588+(25-24)55-56+2261-28+2658+18-1685-25+16八、脱式计算82-(28-22)51-(25-24)88-46+2265-28+2620+(22-28)88+88-5658-26+2884-28+8620-(42-28)52-22-477-46+363-38+279+19-376+72F888-26+285/15九、脱式计算82-22+8422-(28-22)88-(25-24)88-86+2268-28+26(100-63)X838—(49—21)42F(1+6)6X(5+4)88+88-86十、脱式计算20-(22+28)22+22+8482-(28-22)