一年级下口算100以内加减法.doc

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70-30= 53+8= 28+9= 26-20= 30-9=
100-90= 7+48= 38+30= 480= 68+15= 56-40=
90-40= 30+14= 64+7= 5+56= 47-13=
90-70= 64+6= 27+4= 30+36= 37-30=
50-30= 18+5= 21+30= 45+10= 65-4=
50+50= 20+68= 10+76= 51+24= 65-4=
60+30= 46+5= 28+4= 69-7= 98-8=
30+70= 76+9= 81+17= 38-16= 88-80=
57-8=
38+50=
50+39= 16+80=
41-40=
68-30=
59-30=
87-40=
85-60=
84-80= 71-30=
95-60=
57-20=
73-40= 99-10=
61-60= 84-10=
83-70=
84-60=
86-30=
21-10=
39-20= 79-40=
88-30=
91-40= 75-50=
87-40=
96-80= 67-9=
26-5= 80-44=
86-7=
52-20=
70-5=
49-19=
73-5=
80-8=
85-20= 67-5= 45+30= 27+8= 28+60= 7+27= 56-8=
10+50= 22+8= 47+20= 38+9= 56-40=
100-40= 59+5= 64+9= 7+56= 37-8=
90-70= 38+6= 27+5= 30+46= 37-20=
50-30= 7+55= 31+30= 45+7= 65-9=
50+50= 6+68= 4+76= 71+8= 65-40=
60+30= 46+6= 8+27= 64-7= 92-8=
30+70= 76+9= 85+7= 34-6=