小学二年级数学加减法
口算题
TTA standardization office【TTA 5AB- TTAK 08- TTA 2C】
31-29= 41-39= 81-79= 51-48= 31-28= 41-38= 81-78= 33-26= 53-47
85-77= 45-38= 32-25= 72-67= 21-14= 31-24= 41-34= 81-74= 31-25
71-65= 41-35= 82-74= 42-38= 63-58= 33-25= 54-46= 94-86= 72-64
41-29= 61-39= 81-49= 42-24= 42-28= 63-34= 63-39= 84-46= 84-48
65-37= 48-23= 47-22= 68-35= 67-35= 89-44= 89-45= 67-34= 62-35
42-27= 66-38= 67-39= 87-48= 83-45= 83-47= 51-19= 71-59= 91-39
41-28= 71-58= 91-38= 51-14= 71-51= 91-39= 51-15= 71-55= 91-35
52-16= 71-26= 91-36= 51-24= 71-14= 91-44= 51-23= 71-13= 91-23
52-15= 73-58= 94-36= 95-17= 76-58= 97-38= 58-19= 72-54= 92-38
43-17= 73-56= 94-36= 54-18= 75-28= 95-37= 53-25= 73-28= 94-46
94-46= 54-28= 75-17= 92-26= 90-40= 80-30= 20-10= 70-30= 90-60
70-40= 90-70= 80-45= 70-35= 40-15= 50-45= 30-15= 50-25= 80-40
15+15= 26+37= 17+48= 25+47= 38+45= 13+48= 26+48= 26+47= 52-17 17+66= 44+47= 37+54= 28+47= 27+88= 55+36= 16+85= 65+27= 98-25 37+35= 48+25= 75+28= 24+68= 38+54= 46+18= 58+36= 78+18= 65-38 29+59= 67+27= 36+26= 56+34= 67+23= 48+32= 69+31= 34+57= 83-18 67+24= 49+42= 22+59= 45+47= 65+27= 28+65= 55+38= 40+30= 74-47 93-27= 73-46= 65-18= 63-25= 82-56= 94-66= 83-77= 44-28= 52-14
62-14= 62-28= 74-26= 93-47= 83-16= 77-69= 75-28= 65-47= 83-25
72-15= 63-28= 82-47= 54-16= 95-48= 85-27= 63-36= 73-47= 52-15
52-17= 83-48= 73-55= 92-86= 62-58= 72-24= 54-36= 74-28= 43-27
71-59= 59-29= 63-19= 78-59= 45-29= 86-49= 37-19= 64-39= 72-39
83-28= 74-28= 52-18= 73-48= 41-38= 75-68= 98-98= 87-58= 66-28
55-17= 41-27= 77-7= 63-47= 56-17= 75-47= 94-67= 62-27= 10-10
54-36= 61-46= 55-26= 83-66= 64-16= 92-37= 94-36= 64-58= 54-26
71-65= 41-35= 82-74= 42-38= 63-58= 33-25= 54-46= 94-86= 72-64
71-29= 61-39= 81-49= 42-24= 42-28= 63-34= 63-39= 84-46= 84-48
65-37= 48-23= 47-22= 68-35= 67-35= 89-44= 89-45= 67-34= 62-35
42-27= 66-38= 67-39= 87-48= 83-45= 83-47= 51-19= 71-59= 91-39
51-18= 71-58= 91-38= 51-14= 71-51= 91-39= 51-15= 71-55= 91-35
52-14= 62-28= 74-26= 93-47= 83-16= 77-69= 75-28= 65-47= 83-25
72-15= 63-28= 82-47= 54-16= 95-48= 85-27= 63-36= 73-47= 52-15
42-17= 83-48= 73-55= 92-86= 62-58= 72-24= 54-36= 74-28= 43-27
71-59= 59-29= 63-19= 78-59= 45-29= 86-49= 37-19= 64-39= 72-39
53-28= 74-28= 52-18= 73-48= 41-38= 75-68= 98-98= 87-58= 66-28
51-18= 71-58= 91-38= 51-14= 71-51= 91-39= 51-15= 71-55= 91-35
51-16= 71-26= 91-36= 51-24= 71-14= 91-44= 51-23= 71-13= 91-23
52-15= 73-58= 94-36= 95-17= 76-58= 97-38= 58-19= 72-54= 92-38
53-28= 74-28= 52-18= 73-48= 41-38= 75-68= 98-98= 87-58= 66-28
55-17= 41-27= 77-7= 63-47= 56-17= 75-47= 94-67= 62-27= 10-10
74-36= 61-46= 55-26= 83-66= 64-16= 92-37= 94-36= 64-58= 54-26
72-15= 63-28= 82-47= 54-16= 95-48= 85-27= 63-36= 73-47= 52-15
42-17= 83-48= 73-55= 92-86= 62-58= 72-24= 54-36= 74-28= 43-27
71-59= 59-29= 63-19= 78-59= 45-29= 86-49= 37-19= 64-39= 72-39
53-28= 74-28= 52-18= 73-48= 41-38= 75-68= 98-98= 87-58= 66-28
22+28= 40+60= 50+50= 70+30= 25+8= 34-6= 80+20= 62-4= 10+90=
35+18= 28+65= 63+28= 78+13= 47+15= 35+27= 56+25= 75+16= 44+27 47+24= 68+25= 46+37= 36+47= 67+25= 27+65= 49+42= 62+29= 67+14 37+35= 48+25= 75+28= 24+68= 38+54= 46+18= 58+36= 78+18= 28+38
