+ − × ÷

{{ equation.lbracket }}{{ equation.number1 }} {{ equation.operator }} {{ equation.number2 }}{{ equation.rbracket }} {{ equation.operator2 }} {{ equation.number3 }} = ____

{{ equation.lbracket }}{{ equation.number1 }} {{ equation.operator }} {{ equation.number2 }}{{ equation.rbracket }} {{ equation.operator2 }} {{ equation.number3 }} = {{ equation.result }}