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36+99乘36用脱式计算怎样简便

36×99 =36×(100-1) =36×100-36×1 =3600-36 =3564

0.36乘99 =0.36×(100-1) =0.36×100-0.36 =36-0.36 =35.64

77-46+3265-38+2679+19-5658-36+2784-27+16=4+27-1693+23+9469-(39-23)99+(25-24)77-76+3261-38+2679+19-1616+77-2618-36+2787-27+1630+(23-29)73-23-493-(39-23)71-(25-24)99-46+3265-39+2699+99-5656+94-2659-36+2994-29+9630-(23-29)93-2...

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