第 11 页,共 11 页一、口算题计算练习一1-0.01= 0.2 0.3= 0.32 0.4= 0.5-0.05= 3.5 0.2=2.5+6.5= 1 0.01= 10 0.5= 2.4 5= 0.72 0.9=二、简便计算13.6+(4.28+6.4)+5.72 147.3 -28.4 -71.6 139.46 —(58.74+19.46)1.25 70.8 8.6 4.5+18.4 4.5三、坚式计算2741= 4346= 2523=6657= 4733=计算练习二一、口算题1-0.01= 0.2 0.01= 4.8 + 2 = 0.25 40= 9.6 32=1-0.37= 4.3+0.57= 1.25 16= 2 5= 0.81 0.9=二、简便计算12.4 0.25 (24+9.6 2.4 ) 0.5 3.83 4.56 +3.83 5.445.6 3.5 (7.2 - 0.4 ) 25三、坚式计算8710= 8413= 1546=9537= 4586=计算练习三一、口算题4.3+0.57= 1.25 16= 2 5= 0.81 0.9= 5.5 + 1.45=0.7 1.3= 9.4 0.01= 10.1 2.3= 0.72 0.9= 2 0.125=二、简便计算3.65 10.1 2.5 0.32 1.25 6.136 86+86 3.86453.4 0.25 0.4 101 5.3三、坚式计算9654= 8481= 18.2 – 9.02=9827= 4390=计算练习四一、口算题2754= 2.5 12= 4.52 +6.48= 0.2+0.7= 5.9-5=1.4 0.3= 0.75 0.5= 0.8 1.6= 2+0.03= 1-0.25=二、简便计算7.3 4.6+5.4 7.3 7.4 0.99 8.5 -0.24 -1.763.75 0.5 + 6.25 2 6.3 2.1 -0.63三、坚式计算15+6.92= 32.3 5.2= 328 41=12.6 3= 645 82=计算练习五一、口算题1.8+0.02= 8.01+0.19= 3.5+6.5= 6 12= 8.4 0.4=50.7= 1 0.25= 12.5 8= 0.16 0.4= 0.04 20=二、简便计算5.6 35 0.35 201 1.3+0.69+0.73.65 2.5 4 12.3 99+12.3三、坚式计算282 32= 576 72= 412 53=190 40= 45 840=计算练习六一、口算题162.5=55.81000=6.03 10=3.4-1.4= 2.19+ 9.1=10.1 -0.89=0.68+0.42=8.1 -5.1=0.728 -0.24=0.8+0.18=二、简便计算6.3 0.5 2 270 4.5 20 -3.7 -7.30.38+9.6 3.2 5.4 7.6-(3.05+2.6)三、坚式计算408 60= 112 32= 430 180=304 320= 850 60=计算练习七一、口算题0.89-0.25= 0.5 400= 19.9+11.1= 187 1000= 1+3.89=0.081 10= 75 10= 100 - 35.22 = 2.5 0.4 = 2.4 5=二、简便计算6.3+4.82+3.7 - 0.82 307 10.1 0.45 18132- 43.7 - 56.3 0. 32 12.5 2.5三、坚式计算566 50= 269 86= 684 895=56796= 999 97=计算练习八一、口算题0.22 4=0.9- 0.52 =3.991=03.52 =2.55=0.8 7=1.57=1.02 8=10.3 2=8.47=二、简便计算7.6 21-7.6 72 1.25 8 7.3 + 2.7 -7.3 +2.75.6 1.25 (7.7 +15.4 ) 7三、坚式计算111 12= 567 78= 175 90=605 59= 608 42=计算练习九一、口算题50.6 = 0.9 0.3 = 3.5 0.2 = 2.01 0= 10 0.05 =0.13 7= 0.21 100= 0.7 4= 0.05 4= 4 0.3 =二、简便计算4.7 8.3 +5.3 8.3 7.12 4- 1.12 4 450 2.5 29.9 34 1.5 1.2 +8.8 1.5三、坚式计算800056 = 1900 23= 9200 44=960088= 8800 48=计算练习十一、口算题0.4 50= 30 0.1 = 2.6 3= 4.1 2= 2.3 4=3.25 2= 0.35 0.2 = 7.5 0.1 = 1 - 0.08 = 3.5 0.01 =二、简便计算12.5 8.8 (125-1.25 )0.8 3.5 0.4 +3.5 0.639( 1.3 5) 2.2 4+0.6 4三、坚式计算960082= 7500 55= 760 91=865236= 3999+498 =。