55 – 444 + 333 – 9 =?
(3) 1000 + 100 + 10 – 999 – 9 =?
(4) 5431 + 10500 – 4371 – 1098 =?
(5) 5431 + 10500 – 4371 – 1357 =?
(6) 543 + 676 – 455 – 321 =?
(7)100000 – 50000 + 60000 + 200000 – 20000 =?
(8) 89 + 74 – 63 + 52 – 41 =?
(9) 421 + 632 + 500 – 899 =?
(10) 79 + 21 – 55 + 45 =?
(12) 35154 – 20465 – 5201 = ?
(13) 283.56 + 142.04 + 661.78 = ?
(17) [(5√7 + √7) x (4√7 + 8√7)] – (19) = ?
(18) (4444 ÷ 40) + (645 ÷ 25) + 