五年级下册口算题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 ) 0.20.012) 990.453) 3.67.54) 1245) 1.250.80.56) 0.90.0017) 127.22.88)（1.250.36）0.29) 161.610) 3.53.5311) 64.321612) 0.431.73.313) 3.51.070.073.514) 42.35（17.452.3）15) 2.44.95.12.4 16) 0.991.0817) 5.61.0118) 2.561.3719) 5.42.51.420) 4.20.0121) 1.259.20.822) 6.62.223) 1.237.13.772.924) 70.2525) 0.65990.6526) 72.80.827) 7.52.5428) 0.41.21.80.429) 13.63.53.63.530) 6.20.32.80.3 0.61.2= 0.840.6= 4.50.1= 150.4= 0.10.5= 2.87= 1000.01= 1.43= 0.728= 60.03= 0.50.6= 400.9= 40.5= 72.1= 8.89+0.1= 240.25= 0.10.01= 2.40.8= 90.4= 100.01= 30.2-3.02= 4.3-0.25= 1-0.82= 9.60.3= 2.60.01= 025.4= 4.80.4= 7.22.8= 78100 0150 320.4 1300300= 2.6100 15015 320.4 2600100 32.88 1.644 30060 18700= 40080 644 36020 42070 194 54090 742 36040 27030 54060= 5719 7070 40050 35070 81090 4305 6.61.1 7.64 1.540.22 4800200= 1.890.63 3600180= 1283.2 11055 32.841 7500.5= 4.320.8 96012 20040 42030 14271 56080 600.02 66030 4800.8 724 0.6321 6400800= 0.0520 511.7 4816 7035 9.22.3 2.70.3 1.50.4 280.03 0.3819 0.683.4 402 65013 98014 68034 7204 80016 7200.5 23046 6000.03 16040 0.2330 501.2 330030= 9600300= 4000500= 2500500= 1.4300= 0.26200= 0.5090= 56070= 1500300= 0.05200= 72009= 0.1820= 4.50250= 0.690.30.1= 0460400= 6.80.68128= 720094= 96056= 3500.20.5= 12.584= 12424 5.625.6 8.41.64 6.3790 （8416）4 50357 4207140 39（2411） 122.5 2.630.37 0.716160.2= 0.960.3 1.54.5= 2.50.4 1.42.54 82.5 61.2= 9.22.3= 244564 0.360.64 40.25= 1.85= 30（2003） 8.44.2= 81.5 4.80.3= 2.731.54 3.41.4= 7.827.2= 2.199.1= 10.10.89= 0.680.42= 8.15.1= 0.7280.24= 0.80.18= 0.890.25= 10.98= 0.0480.52= 5400= 19.9+11.1= 1871000= 1+3.89= 0.08110= 7510= 0.960.8= 0.87 1.57 1.328 0.78 10.32 50.6 0.90.3 3.50.2 2.010 100.05 0.137 0.21100 0.74 0.054 40.3 12.58 2.34 3.250 0.450 300.1 2.63 4.12 0.350.2 7.50.1 10.08 3.50.01 1.250.25 09.8 3.90.39 4.85.2 0.50.4 40.25 34 8.19 2.54 60.025 3.66.3 0.054 3.50 03.5 0.90.3 10.06 90.5 1.258 2.63 4.12 0.350.2 7.50.1 0.90.3 10.06 90.5 1.2581740 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 1) 0.20.012) 990.453) 3.67.54) 1245) 1.250.80.56) 0.90.0017) 127.22.88)（1.250.36）0.29) 161.610) 3.53.5311) 64.321612) 0.431.73.313) 3.51.070.073.514) 42.35（17.452.3）15) 2.44.95.12.4 16) 0.991.0817) 5.61.0118) 2.561.3719) 5.42.51.420) 4.20.0121) 1.259.20.822) 6.62.223) 1.237.13.772.924) 70.2525) 0.65990.6526) 72.80.827) 7.52.5428) 0.41.21.80.429) 13.63.53.63.530) 6.20.32.80.3 0.61.2= 0.840.6= 4.50.1= 150.4= 0.10.5= 2.87= 1000.01= 1.43= 0.728= 60.03= 0.50.6= 400.9= 40.5= 72.1= 8.89+0.1= 240.25= 0.10.01= 2.40.8= 90.4= 100.01= 30.2-3.02= 4.3-0.25= 1-0.82= 9.60.3= 2.60.01= 025.4= 4.80.4= 7.22.8= 78100 0150 320.4 1300300= 2.6100 15015 320.4 2600100 32.88 1.644 30060 18700= 40080 644 36020 42070 194 54090 742 36040 27030 54060= 5719 7070 40050 35070 81090 4305 6.61.1 7.64 1.540.22 4800200= 1.890.63 3600180= 1283.2 11055 32.841 7500.5= 4.320.