1 + 2 + 3 + 5 + 6 + 78 + 989 + 454 + 324 + 4423 =?

1 + 2 + 3 + 5 + 6 + 78 + 989 + 454 + 324 + 4423 =?


6285



간편 계산 1.0.125x 8.8 2.10.10.1x 8.3. (2.5 + 25) X4 4.357x 3.7 + 3.57 x 7.3


1 0.125 X8.8 = 0.125 X (8 + 0.8) = 0.125 x 8 + 0.125 x 0.8 = 1 + 0.1 = 1.12.10.10.1x 8.3 = (10 + 1) x8.3 = 10 x 8.3 + 1x 8.3 = 83 + 8.3 = 91.33 (2.5 + 25) X4 = 2.5x 4 + 25x 4 = 10 + 100 = 1103.57 + 3.57 + 3.57 x (3 + 7) = 3.57 x (3 + 7) = 3.57 = 3.57 = 3.57