人教版四年级数学下册乘除法简便计算 (112) 下载本文

22000÷125÷8 79×50×2 82×8×250 40×250 16×125 26 × 14 - 14 × 6

33 × 47 - 47 × 3

82 × 14 + 82 × 986

45 × 999 + 45

11 × 17 - 17

25×102 23×199 4×4×25 1800÷4÷25 32000÷125÷8 24 × 68 - 68 × 4

53 × 18 + 53 × 982

41 × 99 + 41

101 × 94 - 94

25 × 72 - 72 × 5

57×50×20 42×4×25 12×250 80×125 16×302 108 × 65 - 65 × 8

31 × 6 + 31 × 994

68 × 999 + 68

101 × 47 - 47

105 × 22 - 22 × 5

15×99 4×89×25 3600÷4÷25 83000÷125÷8 12×50×200 11 × 77 + 11 × 23

15 × 99 + 15

11 × 84 - 84

104 × 27 - 27 × 4

37 × 79 - 79 × 7