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2.15*6.8竖式

2.15 × 6.8 = 14.62竖式见图:

130.67

12×23=276 1 2×2 3 . 3 6 2 4 2 7 696×11=1056 9 6×1 1 . 9 6 9 61 0 5 615.8+42.6=58.4 1 5.6+4 2.8 . 5 8.4

285×24=6840; 2 8 5× 2 4. 1 1 4 0 5 7 0 6 8 4 0208×15=3120; 2 0 8× 1 5. 1 0 4 0 2 0 8 3 1 2 032×130=4160; 3 2 ×1 3 0 . 9 6 3 2 4 1 6 0130×60=7800. 1 3 0× 6 0. 7 8 0 0

如 (1)68.8÷4= (2)85.44÷16= (3)67.5÷15= (4)289.9÷18= (5)101.7÷9= (6)243.2÷64= (7)16.8÷28= (8)15.6÷24= (9)0.138÷15= (10)1.35÷27= (11)0.416÷32= (12)3.64÷52= (13)91.2÷3.8= (14)0.756÷0.18= (...

4.25 × 2.6 = 11.05 1.92 × 3.5 = 6.72 15.8 × 7.2 = 113.76 7.04 × 5.8 = 40.832 0.62 × 4.9 = 3.038 竖式见图:

这四题都除不尽: 15÷6.2 ≈ 2.4194 3.4÷0.56 ≈ 6.0714 0.728÷0.43 ≈ 1.6930 22.03÷1.7 ≈ 12.9588

180÷30= 720÷30= 360÷30= 920÷40= 780÷60= 960÷40= 432÷24= 625÷23= 837÷43= 850÷17= 780÷26= 544÷17= 898÷28= 420÷30= 780÷20= 690÷30= 750÷50= 840÷60= 520÷40= 920÷23= 864÷32= 840÷24= 704÷44= 480÷32= 672÷21= 754÷58= 897÷39= 624÷26= 576...

(1)68.8÷4= (2)85.44÷16= (3)67.5÷15= (4)289.9÷18= (5)101.7÷9= (6)243.2÷64= (7)16.8÷28= (8)15.6÷24= (9)0.138÷15= (10)1.35÷27= (11)0.416÷32= (12)3.64÷52= (13)91.2÷3.8= (14)0.756÷0.18= (15...

46×22= 606-208= 603÷7= 198+303= 426÷4= 23×37= 46×58= 326×5= 482÷8= 370÷7= 784-685= 76×15= 486÷2= 607÷5= 900-807= 915÷3= 560÷4= 458+542= 423÷3= 87×19= 362÷6= 525÷3= 254÷5= 192÷4= 602÷7= 839÷9= 726÷6= 51×16 = 78×22= 416÷...

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