さんすうドリル(2けたの足し算と引き算)
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22+72= 43+10= 58+88= 45+90= 54-76= 98-90= 45-57= 40-13= 84-60= 99-38= 52+82= 82+51= 73+70= 82+96= 12+21= 88-46= 47-10= 78+18= 80+11= 17+74= |
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15-12= 82-66= 26-62= 28-83= 60-49= 89-45= 66-57= 32+34= 51+83= 86+84= 72+28= 24+62= 75+28= 96-69= 97+92= 30-66= 99-21= 35-12= 20-60= 32+11= |
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37+95= 20+27= 39-70= 65+69= 95+75= 15-80= 74-24= 37+69= 15+26= 26-25= 50-42= 96-85= 67-22= 32+33= 38+44= 25+94= 82-14= 61-79= 73-94= 27+53= |
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------------------------------【解答】------------------------------
| （左列）94, 53, 146, 135, -22, 8, -12, 27, 24, 61, 134, 133, 143, 178, 33, 42, 37, 96, 91, 91, （中央列）3, 16, -36, -55, 11, 44, 9, 66, 134, 170, 100, 86, 103, 27, 189, -36, 78, 23, -40, 43, （右列）132, 47, -31, 134, 170, -65, 50, 106, 41, 1, 8, 11, 45, 65, 82, 119, 68, -18, -21, 80, |
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