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1、一、口算 4.82.8= 3.661.25= 50,42= 0.0110= 53.810= 0.618100= 43= 3.62.4= 1.10.4= 0.72= 1.50.2= 0.393= 二、竖式计算 45.233.5= 1.3+2.5= 1.50.5= 1.9+8.1= 0.0150= 53.8100= 18.110= 40.3= 362.4= 0.027= 0.70.2= 3.84= 7.24= 3.11+2.22= 0.36+0.64= 4.3+2.31= 0.01100= 53.81000= 9.8710= 0.40.3= 3.624= 0.31.3= 36= 2.54= 65=
2、 26.2+13.1= 2.1+0.6= 0.7+0.23= 0.011000= 1.41410= 1.4100= 133= 0.362.4= 0.30.2= 0.36= 200.5= 12.3+11.2= 0.969.7= 0.75+0.25= 0.0910= 0.11000= 0.011000= 0.132= 0.60.7= 0.51.8= 0.30.6= 4.81.6= 35.813.3= 10.9= 0.17+0.33= 0.09100= 36.910= 43.211000= 0.130.2= 0.90.1= 1.51.8= 152= 1.55= 1.25+2.41= 10.56= 0
3、.20.4= 0.091000= 3.14100= 0.30.2= 3624= 0.85= 72= 1.52= 104.5= 3833.4= 8.25+1.55= 7.32.25= 102.45= 3.7+2.36= 10.28.75= 15.4+2.97= 5.94+10.7= 11.657.39= 103.14= 11.7+40.3= 3.152= 87.23= 3.8+3.54= 3.052.9= 8534.7= 0.77.8= 1.30.25= 1.443.98= 1.443.98= 1.360.8= 0.780.04= 4.80.25= 4.81.2= 0.320.8= 0.321.
4、2= 9.80.5= 9.81.3= 6540.9= 2.421.1= 3.141.5= 2.60.8= 2.152.1= 2.160= 0.1250= 2.60.5= 1.260= 2.134= 4.80.3= 1.32.2= 9.60.8= 3.251.8= 4.81.3= 4.80.9= 9.341.4= 0.79.32= 1.872.3= 0.150.63= 1.80.85= 480.15= 0.861.2= 0.1258= 120.16= 12.96= 7.427= 8.25= 0.982.8= 15.915= 264= 1216= 325= 5436= 425= 7.7995= 4
5、3512= 3556= 1344= 61016= 18252= 15.66= 8.540.7= 350.5= 12.60.3= 0.7681.6= 8.40.56= 37.10.53= 2.77.5= 0.782= 4.060.58= 0.70.25= 320.08= 6.210.3= 0.210.025= 6.30.42= 0.0120.25= 41.62.6= 70.35= 0.630.7= 30.64.5= 0.40.5= 72.99= 4.21.2= 0.162.5= 72.90.9= 43= 4.20.12= 0.160.25= 733= 9.411= 38= 14.211= 0.4
6、9= 109= 17= 24= 56= 4.483.5= 13.30.95= 12.31.5= 7.20.64= 241.5= 42.77= 63.90.9=0.235= 82.515= 7.875= 25.218= 0.44832= 21.612= 2.881.5 2.881.5= 46.2323= 0.140.08= 19.21.6= 1.920.16= 0.1920.016= 5.32.4= 54.60.91= 1.250.72= 9.64.5= 210.75= 9.61.64= 62.4+7.62= 81.57= 8.955= 13.30.95= 12.31.5= 93.6= 4.23
7、.2= 11736= 1.85.5= （保留二位小数） 8.096.7= 6008.09= 1.791.2= 45.415= 4.483.5= 三、计算并验算 12.60.28= 8.841.7= 62.917= 2.10.56= 90.36= 4.23.2= 11736= 1.85.5= 四、脱式计算 9.43(8.65+0.40) 4.6+12.3+5.8 15(1.3+3.9) 4.61.75+2.08 5(4.192.83) 7.41(2.96+3.04) 4.28+0.533.37 3.2+1.272.49 1.54+2.08+3.62 9.5+4.856.36 5.6+2.7+4.
8、4 4.6(1.75+2.08) 4.023.5+0.98 70.81.251.75 54.19+2.83 2.6+1.43 (8+0.8)1.25 2.50.61.80.5 2.52.84 2.513+0.9 0.2513.70.4 1.83+3.79+0.17 221.67 0.894.8+0.895.2 100.340.66 12.8+2.049.5 6.159.442 4.53.6+5.20.35 4.50.9+5.50.9 35.71430 5.4（2.74） 9.40.96(5.40.9) 526.5+260.37 1.6(2.25+10.51.5) 90(3.61.8) 3.47.83.9 0.36(6.14.6) 0.8 54(3.94+6.86) 0.1750.254 (3.2+0.12)0.8 0.1750.250.4 28.77+4.5 96(15.412.2) 2.430.18 90.3(86.5) 7.8+4.56+2.2 12.7+12.55 0.499+0.4 3.642.5 0.656.40.655.4 5.011.9+4.99 780.250.4 五、解方程 x19=2 x12.3=3.8 4x=380 3y=45 1.6x=3.36 47+x=47 4x=42 6m=42 y21=14 6y=54 x7=12 a
