人教版四年级下口算题

45+15X6= 120 X25= 390-13 = 3000+200= 880-20= 250^5X8= 36X1 仁600-15 = 48 X125= 45 X14=

6X5 吃X4= 1025-25= 32X30= 35X8= 3X90=

30X3+8= 336+70= 22X30= 80-24= 32+15= 400*20= 25X9X4= 6X201 = 420-35^2= 28X7=

10+12-3=0 200-33 X3= 17X5= 25X32= 40X50= (80 -20+80) -4= 3020-1010= 4X30= 45 -15= 32X20=

70+(100-10 X5)= 12X50= 4500-900= 78^2= 468+197= 360-40= 25X8= 170+90= 45 X12= 6X80=

40X20= 23X11 = 4800-40= 6X85= 80 吃0 = 80-25= 125-25= 14X201 = 69 吃3= 4700-10= 70+45= 4200-2200= 80-16= 67+25= 729+302= 90X2= 220+80= 4200-20= 210-70= 45 —18= 16X6= 20X8X5= 2500-50= 710-420= 2400 -20= 300 X6= 600-3 X200= 16X5= 50 X90= 25X6X4=

540 乜=20+20-2= 32X20= 22X8X5= 25X28= 30X20= 35-25 吒=67X4= 12X5= 15X6= 400-4= 36+8-40= 2400-40= 6300-30= 125X48= 350-80= 2800-40= 3600-60= 690 —420= 125X16= 160+70= 98-14 = 87-3= 102+284= 15+22=

18-64 £= 96 吃4 = 25X16= 480+290= 102 X34= 42^6+20= 56-14 = 48X9= 930-30= 4500-45= 40-5 X7= 65-13 = 696-3= 23X3= 25X40= 80+60-3= 75-15 = 125X6= 800 X30= 490-35^2= 41+18-2= 120-24 = 48X25= 2100-70= 360-45^2= 75-11 X5= 200-25 = 780-20= 612-12= 35 X18= .42+7-29= 800-16 = 72-45= 360+140= 264+198= 5600-80= 840-21 = 362-85= 1800-30= 2800-25-4= 25X16= 560-14 = 720-15^2=

45X22= 45 X12= 725-76-24= 1.35 >9= 9X).8 =

521-305= 750-570= 125X24= 15X8= 1.5 X = 3500^25^2=50^7= 360^24= 125 X4= 0.2 X =

25+340= 69-2.3= 1036-155-245= 8.456 X1000= 0.7 X.8 = 5600-16= 57+19= 865X99+865= 21 X8= 2.5 X.4 =

67+28= 60-30= 67X9+67= 32X0 .仁 2.3 X.3 = 240-40= 70X60= 655+777+345= 572 X8= 0.05 X =

35 X18= 91-28= 25X9X4X7= 372 X0= 1.7 X.5 =

75X19+75= 58+79+42= 1814-378-422= 17.3 X0= 1.25 X.8 = 41 - 23= 80X5X5= 398+558+442= 1.5 X0= 2.7 -=

45X22= 90-25= 1800^5-2= 36.52007 X)= 0.12 X =

45X6= 35 X35+65X35= 22X SX5= 384-4= 3.6 -2 =

375+99= 125X80= 870-232-168= 88.8 -4 59.2 -7= 0.68 -= 7000-70= 44-15= 6.40 -6= 384-3.2= 6.5 -3 =

45+45= 1800^90= 7200-45-2= 73-9= 10.5 -=

624 - 198= 125X16= 7365-3999= 18.46 -0= 0.35 X = 9600-30= 97+18= 1800-36= 46.8 -39= 14.6 -.2= 0.56 -4 = 630-90= 10X24= 35X14= 50-2= 0.4 X.7 = 720-9-4= 45 X14= 302 X783 X0= 10-3= 0.64 -.8 = 320 X2= 26+14= 264X8= 78-4= 0.23 X =

50X50= 81-27= 5.76 X= 24.5 -4= 49.5 -= 6.3 -.7 =

33X6X5= 123+259+741+477= 3875 X0= 153-0= 0.24 + 0.36 = 12X40= 95 X46+46X5= 1.854 X X100= 462^5= 1-0.77 =

26X20= 102 X34= 937X4= 3.74 -0= 3.5 -.5 =

62+18= 749+5036+251= 285X4= 3 X0.5 =0.48 -0.6 = 560-35-2= 99 X99+99= 134X3= 0.7 X =0.77 -=

25X4= 614 - 402= 125X8= 2.1 X =0.54 -=

254+99= 4X50= 25X4= 300X52= 5.2 X =0.25 X =

20X2= 5X42= 1.1 X =0.125 X =