一年级上册数学口算+应用题练习

一年级上册数学口算+应用题练习


简介:
37 + 25 = 62 62 + 49 = 111 86 + 73 = 159 54 + 38 = 92 91 + 17 = 108 42 + 63 = 105 79 + 58 = 137