小升初数学复习《计算题》专项练习

小升初数学复习《计算题》专项练习


简介:
5+ 6 +3 +2.7 3.82+(7- 2.82)-5 =(5+3)+(6+2.7) =(3.82-2.82)+ 7-5 =9+9 =1+7-5 =18 =2 9.28-3- 2- 1 1.25× 2.5×32 =9.28-(3 +2 +1) =(1.25×8) × (2.5×4) =9.28-7 =10×10 =2.28 =100 -- +- +-+