9月7日基础计算练习

9 月 7 日基础计算练习45 −47=23−27 =27+ 72=10-178 =56 ÷ 12 = 76 ÷28 = 54 −45=67 ÷35=89 ÷43 =2 58 ×4=712 −38=712 − 516 =712 − 815 =54 x=42.37×3=72÷42=78 ÷52 = 7.78+2.68=45 −34=710 − 415 =38 x= 251112 − 34=27−16=125 ÷32=25+ 47 =65 ×34 =35 ÷28 = 91 ÷39 = 96 ÷ 36 = 180−97=