概要：2+15＝ 20+22＝ 33+3＝ 6+31＝ 88-19= 91-9= 38-15= 70-53= 72-48=32+49= 74-28= 89-19= 62-18= 26+67=84-78= 27+56= 94-84= 70-6= 41+35=29-12= 37-27= 48+47= 91-90= 33-28=47+32= 50-15= 59-14= 69-49= 11+36=18+80= 96-32= 18+23= 32-11= 28+50=41+18= 83-60= 42+22= 80-25= 75-72=87-77= 43+41= 59+31= 26-18= 98-23=60+26= 97-49= 81-1
4.2 两位数加减一位数练习题,标签：一年级数学配套试卷大全,http://www.youer8.com2+15＝ 20+22＝ 33+3＝ 6+31＝
88-19= 91-9= 38-15= 70-53= 72-48=
32+49= 74-28= 89-19= 62-18= 26+67=
84-78= 27+56= 94-84= 70-6= 41+35=
29-12= 37-27= 48+47= 91-90= 33-28=
47+32= 50-15= 59-14= 69-49= 11+36=
18+80= 96-32= 18+23= 32-11= 28+50=
41+18= 83-60= 42+22= 80-25= 75-72=
87-77= 43+41= 59+31= 26-18= 98-23=
60+26= 97-49= 81-12= 91-51= 27+40=
67-48= 69+16= 63-9= 61-57= 45+46=
26+43= 34+49= 92-0= 23+76= 46+11=
47-38= 82-70= 37+15= 67+33= 36+44=
61+39= 42+26= 70-54= 58-17= 39+56=
59+38= 6+73= 48-48= 17+41= 93-33=
37+48= 34+57= 43+31= 31-20= 39+23=
25-29= 80-52= 39-13= 66-50= 3+97=
95+5= 77-63= 29+43= 32+46= 90-34=
44+37= 46+37= 83+3= 69-45= 71-14=
37+66= 36+44= 35+33= 90-84= 70-17=
29+42= 78-19= 59-40= 6+36= 40-11=
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