二年级下学期数学脱式计算题72F9X6=95-28+32=9X(35-29)=17+8X3=80-8X9=(34-7)F9=70-2X6=49F7X3=48F(2X3)=14+49F7=850-(360+9)=64F8F2=20F5X6=5X8+23=36F4F3=7X9-17=6X6+15=64F8X7=3X3X8=40F5X8=72^8X5=2X9F3=63F7X6=8X7+14=36^6X7=35F7X8=9X6+16=2X3X9=54F9X392-45+239X(42-35)(32+8)F880-72F9(85-13)F9(58-49)X656F7X354F(3X3)14-42F7470-(360+20)24-16F435F7X84X8+2342F7F26X8-297X7+3681F9X41X6X845F5X372F9X64X9F663F9X49X7+1849F7X867-7X88X5-198X1X76X9-2592-4X65X9-21（32+40）F881F9X724-35F77+8X65X6+7364F（4X2）60-42F6600-（200+20）48-36F417-8X27X8-2328F7F28X8+465+2X732F8X42+6X854F6X336F6X485-9X656F8X47X7-4025F5X8100-7X88X5+704X8-2077-46+3265-38+2679+19-5658-36+2784-27+16=4+27-1693+23+9469-(39-23)99+(25-24)77-76+3261-38+2679+19-1673-23-493-(39-23)71-(25-24)99-46+3265-39+2699+99-5659-36+2994-29+9630-(23-29)93-23+9433-(39-23)99-(25-24)99-96+3269-39+2699+99-9699-36+2999-29+9630-(23+29)23+23+9493-(39-23)99-(99-29)55-46+2265-28+2658+18-5658-26+2584-25+164+25-1682+22+8468-(28-22)88+(25-24)55-56+2261-28+2658+18-1618-26+2585-25+1620+(22-28)52-22-482-(28-22)51-(25-24)8-46+2265-28+2688+88-5656+84-2658-26+2884-28+8620-(22-28)82-22+8422-(28-22)88-(25-24)88-86+2268-28+2688+88-8686+88-2688-26+2888-28+8620-(22+28)22+22+8482-(28-22)88+(88-28)77-46+3263-38+2679+19-3636+74-2638-36+2784-27+16=4+27-1693+23+9469-(39-23)99+(23-24)77-76+3261-38+2679+19-1616+77-2618-36+2787-27+1630+(23-29)73-23-493-(39-23)71-(23-24)99-46+3263-39+2699+99-3636+94-2639-36+2994-29+9630-(23-29)93-23+9433-(39-23)99-(23-24)99-96+3269-39+2699+99-9696+99-2699-36+2999-29+9630-(23+29)23+23+9493-(39-23)99-(99-29)33-46+2263-28+2638+18-3636+34-2638-26+2384-23+16=4+23-1682+22+8468-(28-22)88+(23-24)33-36+2261-28+2638+18-1656+74-26
