Question
Find the following values without a calculator.
Do not simplify your answers.

Give your answers in this manner. (Eg 122334

(a) 1920 - 1220 - 420 =
(b) 1318 - 118 - 39 =
(c) 4 - 38 - 28 =
2 m
(a)

Click button first when a symbol is required. X

Find the following values without a calculator.
Do not simplify your answers.

Give your answers in this manner. (Eg 122334

(a) 1920 - 1220 - 420 =
(b) 1318 - 118 - 39 =
(c) 4 - 38 - 28 =