Mathematics & Science (optional block)

If x+304=154, x?

If x+32=18, x?

(33+62)²?

Solve x/8=12. x?

If x+8=6, x?

(29+54)²?

(5+6)²?

If x+192=98, x?

If x+184=94, x?

Solve x/176=348. x?

(57+110)²?

(161+318)²?

If x=147, y=290, x+y?

Solve x/128=252. x?

Solve x/104=204. x?

If x=123, y=242, x+y?

(181+358)²?

If x+152=78, x?

If x=15, y=26, x+y?

If x+344=174, x?

If x=55, y=106, x+y?

Solve x/88=172. x?

(201+398)²?

If x=71, y=138, x+y?

If x+168=86, x?