试题 试卷
题型:填空题 题类:常考题 难易度:困难
小学数学小升初专题二数的运算
+ = 2- = - = + + =
+ = + = + = - - =
4× = × = 8.4× = × =
3.8× = 12× = ×2.5= + =
× × = 72× × =
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