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1、一、口算4.82.8= 1.3+2.5= 3.11+2.22= 26.2+13.1= 12.3+11.2= 35.8 13.3= 1.25+2.41= 3.661.25= 1.50.5= 0.36+0.64= 2.1+0.6= 0.96 9.7= 10.9= 10.56= 50,42= 1.9+8.1= 4.3+2.31= 0.7+0.23= 0.75+0.25= 0.17+0.33= 0.20.4= 0.0110= 0.0150= 0.01100= 0.011000= 0.0910= 0.09100= 0.091000= 53.810= 53.8100= 53.81000= 1.41410=
2、 0.11000= 36.910= 3.14100= 0.618100= 18.110= 9.8710= 1.4100= 0.011000= 43.211000= 0.30.2= 43= 40.3= 0.40.3= 133= 0.132= 0.130.2= 3624= 3.62.4= 362.4= 3.624= 0.362.4= 0.60.7= 0.90.1= 0.85= 1.10.4= 0.027= 0.31.3= 0.30.2= 0.51.8= 1.51.8= 72=0.72= 0.70.2= 36= 0.36= 0.30.6= 152= 1.52=1.50.2= 3.84= 2.54=
3、200.5= 4.81.6= 1.55= 104.5=0.393=二、竖式计算 45.233.5=7.24=3833.4=65=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= 0.321.2= 9.80.5=9.81.3
4、=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= 43512=3556=1344=61016= 18252
5、= 15.66= 8.540.7= 35 0.5= 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= 0.49= 109=17= 24= 56= 4.483.5= 13.30.95
6、= 12.31.5= 7.20.64= 241.5=42.77=0.235= 82.515= 7.875= 25.218= 0.44832= 21.612= 2.881.52.881.5=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= 4.23.2= 11736= 1.85.5=（保留二位小数）8.096.7= 6008.09= 1.791.2=
7、45.415= 4.483.5=三、计算并验算 12.60.28=8.841.7=62.917= 2.10.56= 9 0.36=4.23.2=11736=1.85.5=四、脱在计算9.43(8.65+0.40)4.6+12.3+5.815(1.3+3.9)4.61.75+2.08 5(4.192.83) 7.41(2.96+3.04)4.28+0.533.373.2+1.272.491.54+2.08+3.62 9.5+4.856.36 5.6+2.7+4.4 4.6(1.75+2.08)4.023.5+0.9870.81.251.7554.19+2.83 2.6+1.43 (8+0.8)
8、1.25 2.50.61.80.52.52.84 2.513+0.9 0.2513.70.4 1.83+3.79+0.17 221.67 0.894.8+0.895.2100.340.66 12.8+2.049.5 6.159.442 4.53.6+5.20.35 4.50.9+5.50.9 35.714305.4（2.74） 9.40.96(5.40.9) 526.5+260.37 1.6(2.25+10.51.5) 90(3.61.8) 3.47.83.90.36(6.14.6)0.8 54(3.94+6.86) 0.1750.254 (3.2+0.12)0.8 0.1750.250.4
9、28.77+4.596(15.412.2) 2.430.18 90.3(86.5) 7.8+4.56+2.2 12.7+12.55 0.499+0.4 3.642.50.656.40.655.4 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=474x=42 6m=42 y21=14 6y=54 x 7=12 a18=26 1.2x=4824n=962x+20=803x+6=150.5x2=24x+3x=1802xx=44m2m=485y+y=96y+y=33x+3x=725x 2x=123y+3y=366x3x=4.83m+2m=65 3x+4=34x+5=552x+5=452x 6=403x+20=504x+9=2493y6=48y+2y=45x360=3126xx=125m0.6=4.53x=3.6x18=402y+7=91x+2.5=105x3.9=5.18m2=15