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2.5+0.9= 97+203= 120×6= 5÷100=
5.5-5= 0.4+6.7= 8-4.6= 0.3×1000=
350÷10000= 0×15÷5= 72÷9×7= 25+24-12=
+27= 4- = 2.5×0.4= 1-0.05=
÷ = 5.8÷0.1= ×2.4= 3× ÷ ×3=
进入组卷