0.01+10.099= 4.31×0.7= 7.5- 2.5= 5.4+1.89+4.6=
0.56+4.44= 2.9+3.7+2.1= 4×0.25= 1.25×5×8=
7.6×8+2.4×8= 7.2÷4 =
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