北师大版小学数学一年级下册 口算题训练(21)
61-25= | 52-5= | 27+68= | 62-61= | 90-89= |
16+84= | 45+55= | 68+15= | 45+17= | 91-25= |
79+8= | 59+37= | 4+54= | 68-9= | 57+15= |
94-34= | 90-33= | 27+45= | 50+11= | 94-20= |
34+24= | 95-75= | 39-15= | 30+12= | 54-5= |
45+36= | 16+7= | 31+28= | 48+51= | 51+25= |
8+81= | 79+6= | 41+39= | 91-20= | 14+12= |
92-79= | 80-20= | 38-15= | 55-39= | 20+22= |
33-3= | 47-22= | 69-36= | 10+3= | 72-30= |
33+30= | 72-6= | 8+23= | 89-51= | 20-6= |
8+57= | 71-20= | 13+41= | 5+15= | 18+28= |
90+5= | 29+54= | 67-64= | 81-25= | 23-9= |
61+27= | 28-22= | 92-2= | 47+22= | 2+73= |
58+28= | 88+4= | 90-5= | 21+37= | 100-58= |
28+48= | 42-27= | 100-7= | 37+45= | 66-63= |
79-55= | 51-25= | 46-7= | 82-27= | 82+15= |
4+20= | 84-74= | 43-7= | 69-11= | 52+43= |
14+42= | 77+9= | 55+21= | 28+53= | 83-76= |
19-15= | 83-40= |
《北师大版小学数学一年级下册 口算题训练(21)》摘要: 34+24= 95-75= 39-15= 30+12= 54-5= 45+36= 16+7= 31+28= 48+51= 51+25= 8+81= ...
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