1、一、小數(shù)加減法 4X0.25X2 1.01 x 8-.5.01 X3.5 72.5- (5.2+18.6 ) 17.85+2.9-4.85二、小數(shù)乘法(1) 0.48 X 1.25 36 X 5.5三、小數(shù)加減乘混合運算 0.25 X 5.8 X 0.4 2.25+13.2+2.75 15.5+3.76+14.5 18X3.06 0.28 X 0.25 0.79 X 98 + 0.79 29-2.15-13.85 3.45 X 21X2 58.36 X 0.518.2一、小數(shù)加減法 59.46 + 18.28 46.31 - 21.76(3)5.67- (2.34+1.67 ) 5.85-1.

2、75-0.25 5.67- (2.34+1.67 )二、小數(shù)乘法 0.4 X 0.076 1.5 X 0.062 6.5 X 0.34 150 X 0.12 0.87 X 1.5三、小數(shù)加減乘混合運算 1.6+2.4 X0.3 3.4+1.25 乂 2.4 31.8+3.2 X4 8.594.1 X 0.14.59 2.6+1.4 X 1.5、小數(shù)加減法(1) 9.56 + 12.78 15.85+0.285二、小數(shù)乘法(1) 0.57 X 0.032 3.07 X 0.59三、小數(shù)加減乘混合運算 5.67 X 0Q6212.37 - 5.69423.15 - 17.46 6.8 X 0. 2

3、9 0.27 X 1.05 33.34+4.5 X 220.67-11.34 12.6 X 0.63 0.8 X 2.5+6.2 X4 3.7X1.63 0.37 X15.3 8.63 X25-0.063 X250(4) 6.85+3.765(5) 27.8-13.45二、小數(shù)乘法 2.43 X 0.028 13.4 X 0.74(3) 1.35 X 10.3(4) 16.8 X 0.68 0.159 X 3.57(4) 3.45+1.79 X 0. 5 (5) 112.6-1 1.4 X5一、小數(shù)加減法(1) 12.56 + 0.297(2) 3.285+1.79 13.25-6.88三、小

4、數(shù)加減乘混合運算(12.5 1.25) X810.1 X38.67 - 3.867 1.2 X 2,546.2 對一、小數(shù)加減法(豎式計算) 27.38+4.83= 26.75+2.83= 3.64-2.58= 6.52-3.44=15.31 + 13.51 =二、小數(shù)乘法(1)5.6 X2.09= 3.77 X1.8= 0.62 X9.56 =5.22 X0.83= 1.666 X6.1 =三、小數(shù)加減乘混合運算 6.8-6.8 X0.5 0.25 X3.2X12.5 2.6+2.4 乂 (1.4-1.15) 7.7X9+7.9 X3 0.8X(15.5-(3.21+5.79)、小數(shù)加減法（

5、豎式計算）15.85+64.69= 5.48-3.25=二、小數(shù)乘法(1) 5.61 X2.31 = 19.01-7.99=8.03-4.56= 8.9 X2.4=7.51+0.479= 9.77 X0.02=1.384 X5.1 = 8.78 X6.83=三、小數(shù)加減乘混合運算(1) 31.8+3.2 X4 51.87.05X6 0.4X2.7X0.25+0.23 0.8X1.5 -1.2 X0.5 3.4+1.25 X2.4)一、小數(shù)加減法(豎式計算)3.27-2.49= 10.63+58.79= 11.65-7.39= 4.98+18.69= 9.03-8.577=二、小數(shù)乘法(1) 9

6、.99 X7.06= 4.79 X2.8= 5.47 X2.62=4.84 X2.9= 8.56 X6.5=(1) 2.55 X7.1+2.45 X7.1 14.37 X2.6+2.6 X5.63 1.25 X3.2 +7.8 3.2X1.5+2.537.85- (7.85+6.4 ) X30、小數(shù)加減法（豎式計算） 8.25+1.55= 9.43-8.05= 1.875+2.908= 4.28-3.397= 6.13+2.86=、小數(shù)乘法(1) 56.78 3.8= 5.6 X79= 3.77 X 1=8 0.902 X9.6= 5.22 X73=(1) 0.4 X 0X 0,25 31.8

7、-3.2 X0.4 2.6+2.4(4) 18.75-0.25 X 2-4.54 8.59-4.9 X 0.12.1X (1.4-0.9)一、小數(shù)加減法（豎式計算） 26.8+3.02= 6.07-4.993=3.7+2.36=(4) 15.4+2.97=1028.75二二、小數(shù)乘法(1) 5.55 X 5=2(2) 36.02 X 053(3) 2.92 X 33= 9.77 X32= 7.65 X.05=三、小數(shù)加減乘混合運算23.2 X (0.15+0.25 )5.38+7.85-5.37 3.5-1.15 X0.20.68 X9.9+0.32 X9.9(7.1-5.6 )X0.9-1.

8、35一、小數(shù)加減法（豎式計算）(1) 7.3-2.625= 3.05-2.9= 12.7+6.858= 0.704-0.25= 12.16+5.347=二、小數(shù)乘法 4.88 X 2=9 9.99 X82= 5.65 X 6.5=(4) 4.67 X3B=(5) 5.5 X 2.44=(3) 2.5 X7.83 X0.4X1.5-6.27三、小數(shù)加減乘混合運算 6.5 X (4.88-1.2 X4)(2) 3.14 X9.9+0.314(4) 0.595 X40.5+0.44 X5.95 6.27一、小數(shù)加減法（豎式計算）(1) 0.506-0.19= 3.906+0.66= 12.03+0.

9、875二(4) 75.6-3.55=(5) 62.1-17.607=二、小數(shù)乘法 1.679 X 6.1=(2) 9.45 X CB02=8.9 X期二5.61 X處 5.5 6.74=三、小數(shù)加減乘混合運算(1) 3.72 X3.5+6.28 X3.5 7.09 X10.8-0.8 X7.094.8 X7.8+78 X0.52 36.8-3.9-6.11.25 X2.5X320.5一、小數(shù)加減法（豎式計算） 15.98-3.9= 5.67-0.845=18.7+3.96= 7.81+3.735=二、小數(shù)乘法43.5-27.634=(1) 3.9X1.02=(2) 5.75 X 0504=(3

10、) 6.1 9 X 236=(4) 4.28 X5.5=(5) 4.6 X8.32=三、小數(shù)加減乘混合運算(1) 2.5X0.8 + 12.5 X0.04(2) 25 X0.32+1.22(3) 2.8 X0.04 X2.5(4) 3.5X5.2 + 14.8 X3.5(5) 6.4 X3.28+4.6 X3.28-3.28一、小數(shù)加減法（豎式計算）(1) 3.1-2.07=3.87+3.54=(3) 0.4-0.125=(4)9.6+4.78=(5) 11.004-7.3=二、小數(shù)乘法 2.65X10.01 = 3.82 X5.67= 70.8X12.4= 0.69 X20.9= 30.5 1.04= 5.94+10.897= 37.78+3.322=三、小數(shù)加減乘混合運算 12.5 +0.5 X0.08 X20 1.93+2.7+2.07+7.3 0.56 X99+0.56(0.25+2.5+25) X0.415.6 X13.1-15.6-15.6 X2.1一、小數(shù)加減法（豎式計算） 1.908-0.899= 8.67+3.076= 10.1-0.555=二、小數(shù)乘法(1