五级脱式计算题天天练

1、4.02 + 5.4 + 0.985.17 1.8 3.213.75 (3.75 + 6.48)3.68 + 7.56 2.687.85 + 2.34 0.85 + 4.6635.6 1.8 15.6 7.23.82 + 2.9 + 0.18 + 9.19.6 + 4.8 3.67.14 0.53 2.475.27 + 2.86 0.66 + 1.6313.35 4.68 + 2.6573.8 1.64 13.8 5.3647.8 7.45+8.80.398+0.36+3.6415.75+3.59 0.59+14.2566.86 8.66 1.340.25 X6.2 X(1.25 0.125)

2、 X3.6 XI023.72 X.5 + 6.28 X.536.8 3.9 6.115.6 X3.1 15.6 15.6 X2.14.8 X.8 + 78X0.5232 + 4.9 0.925.48 (9.4 0.52)4.2 -.5320-1.25 -18.76 X9.9 + 18.763.52 -2.5 -.43.9 4.1 + 6.1 5.95.6 359.6 -0.8 -0.44.2 X9 + 4.217.8 1.78 X)0.49 -.41.25 X.5 X215.2 -0.25 -40.89 X00.1146.5 (23 +46.5)3.83 X.56 + 3.83 X5.444.

3、36 X2.5 X9.7 X9 + 9.7(45.9 32.7) 8P.1253.14 >0.68 + 31.4 >0.0325.6 -.25 -0.8 -.5 -0.47.2 >0.2 + 2.4 >.48.9 >.017.74 X(2.8 1.3) + 1.5 >.263.9 >.7 + 3.9 >7.318 1.8 -0.125 -0.812.7 >9.9 + 1.2721 X (9.3 3.7) 5.65.4 >1-5.42.3 X6+2.3 >23+2.39.43- (6.28-1.57 )3.65 >4.7 3

4、6.5 ».3746X57 + 23X8613.7 >.25 3.7 -2.22 >9.9+6.66 >.74.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.5 + 4.9 6.53.07 0.38 1.621.29 + 3.7 + 2.71 + 6.38 2.45 1.55(2.5 0.25) X0.49.16 >1.5 0.5 >9.163.

5、6 3.6 >0.563.4 -2.5 -0.44.9 -.43.9 -(1.3 >5)(7.7 + 1.54) -).72.5 >2.44.5 勻.83.65 X0.130.8 勺14 (9.85 + 1.07)20X(2.44 1.8) <4 + 0.15777 X9+1111 X 331.5 X4<6+3)194 64.8 <.8 X.924-2.4 2.5 X0.8469X12+14924.2 -3.515- (0.15 X.4)60 (9.5 + 28.9) -.1828-(3.4+1.25 X.4)0.8 X 15.5-(3.21+5.79)0.64 X5 X7.8+2.236.72 <4.25 X9.9(4121+2389) -7405 X(3213-3189)930-0.6 -53.2 X.25 X2.52.881 <0.43 0.24 X3.52.55 X7.1+2.45