E – SE – OE16

Create an equation that has a multiplication symbol on one side of the equal sign and a subtraction symbol on the other side of the equal sign.

E – SE – OE1

Create an equation in which the unknown number is small.

E – SE – OE17

Create an equation that has an addition symbol on one side of the equal sign and a subtraction symbol on the other side of the equal sign.

E – SE – OE2

Create an equation in which the unknown number is more than 14.

E – SE – OE3

Create an equation in which the unknown number is less than 9.

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