四年级下册简便运算

1、一、怎样简便就怎样算145 +78 + 255105 X32656-164-3648 + 12-48 + 1213+46+55+54+87656-164+36540 +78+ 1605月21日早读打卡：1熊柔合2黄一菲3龚梦妍28X2532X16+14X32103X2799X3556 X99 + 56125X64229-83+171-117355+260+140+245363 -154-14692X17-92X7690+15-276 X102(25 + 12) X4125X25X8X448 X12556 X99 + 5698X10141 +125 + 59 + 75455 ( 155 + 23

2、0)64X993600+25 W56X27+27 W425 X32 X125(6+8) X125125 X25 X8 X448 X125645-180-24538 X99 + 383500-14W175X56 +25X5650 X25 X20 W02368+156+344+132125W7X87200-25 W44X2596X58+96X426300 + (63X5)482 - (182+50 )135X27+135X72+135368+156+344+132125 47 87200攵5F44 2596X58+96X426300 + (63X5)482 - (182+50)135X27+135

3、X72+135789-136-64132 29+13298X83+1663700 F 攵588 125048 125125 32 12536 88+36 15-108355+260+140+24598 10148 X125645-180-24538 X99 + 383500+14 代175X56 + 25X56125 32 2598+265+202273-73-27250 X13 W3200+4 攵588 125998+3817 X23-23 X772 12564 15-5 6425X (12X40)99 56+562182- 1655-3453200+ 4+25298X 99+ 298(40

4、+ 8) X 25978 1258一、直接写出得数:2.7+6.3=25 >12=0.25 10=9.025 100= 65+37X0=0.58+3.5=6.68-2.1 =100 >2.003=9-2.3-3.7=5.5+2.81+4.5=6-2.2= 6.38+5.62= 62T0= 4 31 25=5.6-2.8=3.92-0.9=123.5 100=28 >054=25X4 + 25X4=二、竖式计算并验算:12.65+3.5=85.6-3.21=三、计算，有些能简便的要简便计算：89 99+892 .63+5.8+7.37+4.252 15-5 5255 1022.

5、58-1.6+3.42125 6445 25+75 4523.5-2.8-7.258.65-(3.2+8.65)99 >125 >8320025 M80+ (146-46X3)48- (5.2+2.03X10)32X 15+ (32.6+8.09)四年级下册计算题练习第一天学号一、直接写出得数：2.7+6.3=25 >12=0.25 10=9.025 100=65+37 0=二、竖式计算并验算:12.65+3.5=0.58+3.5=6.68-2.1=100 >2.003=9-2.3-3.7=5.5+2.81+4.5=姓名6-2.2=6.38+5.62=62 T0=4 3

6、1 25=5.6-2.8=3.92-0.9=123.5 100=28 >054=25X4 + 25X4=85.6-3.21=三、计算，有些能简便的要简便计算：52 M5-5 )5255 X10289 >99+892.63+5.8+7.37+4.22.58-1.6+3.42125 6445 25+75 4523.5-2.8-7.258.65-(3.2+8.65)99 125 8320025 M2503 M32 X 15+ (32.6+8.09)80+ (146-46X3)48- (5.2+2.03X 10)四年级下册计算题练习第二天 一、直接写出得数：3.7+8.4=25 >1

7、6=0.225 10=0.025 100=2.8+58 0=二、竖式计算并验算:12.65+7.5=学号0.58+3.2=6.68-2.5=100 2.03=13-2.3-3.7=5.5+4.52+4.5=姓名6-3.3=6.38+8.62=6.2 10=4X28 >25=5.4-2.8=3.92-0.2=123 T00=36 >0255=100X3+100X3 =83.6-4.35=三、计算，有些能简便的要简便计算：99 >85+855.63+8.8+4.37+1.236 19-9 3655 1012.38-2.4+3.62125 >2475 55+75 4527.5

8、-6.8-3.2四年级下册计算题练习第二大学号 姓名一、直接写出得数：3.7+8.4=0.58+3.2=6-3.3=5.4-2.8=25 >16=6.68-2.5=6.38+8.62=3.92-0.2=0.225 10=100 >2.03=6.2 40=123 T00=0.025 100=13-2.3-3.7=4 28 25=36 >0255=2.8+58 0=5.5+4.52+4.5=100X3+100X3=、竖式计算并验算:12.65+7.5=83.6-4.35=、计算，有些能简便的要简便计算:99>85+855.63+8.8+4.37+1.236 19-9 365

9、5X1012.38-2.4+3.62125 >2475 55+75 4527.5-6.8-3.255.83-(3.2+5.83)29 >125 >8560025 M2503 M58+ (124-24X3)32.3- (5.02+2.03X 10)32X18+ (32.6+18.09)55.83-(3.2+5.83)29 >125 >8560025 M2503 M58+ (124-24X 3)32.3- (5.02+2.03X 10)32X18+ (32.6+18.09)四年级下册计算题练习第三大学号 姓名一、直接写出得数：3.7+7.3=0.56+3.4=6-3.

10、22=5.4-4.5=25 >28=0.225 10=0.005 100=6.8+58 0=二、竖式计算并验算:32.7+7.52=6.88-2.8=100 >2.03=16-5.3-4.7=7.5+5.52+2.5=0.91+0.09=61.5 10=4 >2.7 次5=50-25+ 5=55.6-5.75=3.92-0.2=6.5 100=36 >055=、计算，有些能简便的要简便计算:(270-30X9) +5.536X19-19X2625 45+75 4538 10125X45+75X4538 1019125 165.63+8.8+4.37+1.2750 (55

11、0-300)+ 256.38-2.4+5.622100+ 25 + 425X (40+4)55.83-(8.2+5.83)99X8.5+8.527.5-9.8-0.258+ (124-24X3)8157-(103+157+597)、直接写出得数:3.7+7.3=25 >28=0.56+3.4=6.88-2.8=0.225 10=0.005 100=6.8+58 0=二、竖式计算并验算:100 2.03= 16-5.3-4.7= 7.5+5.52+2.5=6-3.22=0.91+0.09=61.5 10=4 >2.7 次5=50-25+ 5=5.4-4.5=3.92-0.2=6.5

12、100=36>0 芍5=55.6-5.75=32.7+7.52=三、计算，有些能简便的要简便计算： (270-30X9) +5.536X19-19X265.63+8.8+4.37+1.2750- (550-300) + 256.38-2.4+5.62125X 162100-25-427.5-9.8-0.244X12-8875+360- (20-5)25 X (40+4)33 XI3-9965+320+ (20-15)25 X (40+4)四、列式计算。1、72与4的差乘以25X (40+4)55.83-(8.2+5.83)99X8.5+8.558+ (124-24X3)8157-(103+157+597)89 M2+89 >686.91-3.4+5.09125 >241880- (59+21) X 12(75+240) + ( 20-5)64.56-(8.2+4.56)72X99+7230.5-5.3-1.787W2+87M8