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5.26×1.055.26 1.26÷0.981.26
0.68×0.680.68 36.5÷1.236.5
8.1+0.9= 0.2×0.4= 9.1÷0.7= 1.2×0.99×8=
3.57-0.7= 4.5÷0.45= 3.8×0.1= 3.8×8.2+3.8×1.8=