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1、 1 五年级下册数学口算题 人教版 600 道 1740 10063 3.21.68 2.80.4 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 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 = 0.51 17
2、 32.819 5.2 1.3 1.60.4 4.90.7 1 5 6 12 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 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
3、= 2 - 1/6 -1/3 = 0.51 17 32.819 5.2 1.3 1.60.4 4.90.7 1 5 6 12 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 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 =
4、 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51 17 32.819 5.2 1.3 1.60.4 4.90.7 1 5 6 12 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2= 1/6 + 1/2 -1/6 = 7.
5、5-(2.5+3.8)= 7/8 + 3/8 = 3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51 17 32.819 5.2 1.3 1.60.4 4.90.7 1 5 6 12 0.870.49 1740 10063 3.21.68 2.80.4 2 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4
6、- 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 = 0.51 17 32.819 5.2 1.3 1.60.4 4.90.7 1 5 6 12 0.870.49 1740 10063 3.21.68 2.80.4 147.4 1.92 0.04 0.32500 0.654.35 105.4 4 20 3.5200 1.50.06 0.75 15 0.40.8 40.25 0.361.54 1.0199 420 35 2512 135 0.5 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 =
