1、苏教版五年级上册口算1.5+1.6+9 = 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819
2、5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
3、 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 =
4、 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 1 5 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/
5、5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.250.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 +
6、3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2
7、.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/
8、2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4
9、- 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7 /8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1 .50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9
10、 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4
11、+ 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 = 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035
12、 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.
13、54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40
14、.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50
15、.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4
16、420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500
17、0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.
18、920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68
19、2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740
20、 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 61
21、2 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35=105.4 420 3.5200 1.50.06=0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60
22、.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.5117 32.
23、819 5.21.3 1.60.4 4.90.715 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/
24、3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35= 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/
25、10 = 2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54 1.0199 42035 2512 1350.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 =2 - 1/6 -1/3 = 0.5117 32.819 5.21.3 1.60.4 4.90.7 15 612 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.920.04 0.32500 0.654.35 105.4 420 3.5200 1.50.06 0.7515 0.40.8 40.25 0.361.54
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