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列竖式计算.24×36 27×1...

36 + 27 = 63 74-(36+27)=74-63=11

24×36=86427×14=37815×62=93036×25=90048×31=148842×28=1176

25×36 =25×4×9 =100×9 =900

36×24=864

36 + 27 + 29 —— 92

24 × 36 ———— 846

(1)208×36=7488; 208× 361248624 7488;验算: 36 ×208 28872 7488;(2)6124÷45=136…4, 136456124 45 162 135 274 270 4;验算: 136 ×45680544 6120+ 46124;(3)11520÷24=480; 4802411520 96 192 192 0;验算: 480 ×2419296 11520;...

(1)38+24+35=97; 38 +24 62 +35 97 ;(2)76-25-36=15; 76 -25 51 -36 15 ;(3)28+53-62=19. 28 +53 81 -62 19 .

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