100 - 0.99 10.99 + 9.87 4.089 ÷ 0.047 0.24 × 390 6.9+4.8+3.1
0.456+6.22+3.78 6.9+4.8+3.1 0.456+6.22+3.78 15.89+(6.75-5.89) 4.02+5.4+0.98
4.02+
5.4+0.98 5.17-1.8-3.2 13.75-(3.75+
6.48) 3.68+
7.56-2.68 7.85+2.34-0.85+4.66
3.68+7.56-2.68 7.85+2.34-0.85+
4.66 3
5.6-1.8-15.6-7.2 3.82+2.9+0.18+9.1 9.6+4.8-3.6
5.27+2.86-0.66+1.63 13.35-4.68+2.65 73.8-1.64-13.8-5.36 7.14-0.53-2.47 47.8-7.45+8.8
0.398+0.36+3.64 15.75+3.59-0.59+14.25 66.86-8.66-1.34 0.25×16.2×4 (1.25-0.125)×8
3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1
4.8×7.8+78×0.52
3.6×102 3.72×3.5+6.28×3.5 36.8-3.9-6.1 15.6×13.1-15.6-15.6×2.1
4.8×7.8+78×0.52
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