四年级口算一天20道

138-89= 540054 20034 550-450 18000600 270030 89100= 0.82+0.08= 731= 4010= 1700100= 0.56+0.4= 8025= 1- 0.93= 125100= 5.6+99= 10025= 90-0.9= 41100= 8800400= 60030= 150+70= 356-98= 1258= 6126= 1280= 15100= 84040= 2.3+3.6= 0.28+0.12= 7.3+2.7= 7.5-3.4= 1-0.35= 5.6+2.3+0.7= 5172= 54-73-27= 100025= 24012= 1460= 345+298= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 0.81-0.19= 9.7-7= 7.8+2.2= 1-0.37= 31052= 4(25+50)= 3.060.2= 8125= 0.671.24= 7-6.28= 8.2-0.01= 9923= 504= 0.429.5= 65254= 1.82-0.63= 4.51.5= 1-0.63= 231-99= 3.72.5= 32+268= 1.3-0.7= 7.5-2.8= 5.5-3.2= 12062= 910070= 145-99= 1025= 3.560= 3.12+5.2= 11.3-8.6= 2-0.29= 457+198= 756-197= 0.9-0.26= 821-202= 12516= 12.6+5.3+6.4= 5.4-2.5-1.4= 2-0.35-0.65= 1.5-0.04= 0.49+0.61= 5580= 11.7+2.3= 735-298= 10-8.25= 1.29- 0.18= 15（100+3）= 0.6+5.47= 36+54= 620-290= 7000200= 398+294= 500-12= 25040= 125800= 7000200= 398+294= 500-12= 25040= 125800= 97- 59= 644= 998-299= 240400= 54-15= 1407= 299+455= 1560= 9100700= 25+68= 542-298= 152-46= 620-290= 100-79= 860-370= 038= 670-540= 68101= 894-399= 1940= 474= 95-64= 4019= 952= 590+30= 110050= 83-25= 997+674= 446= 60-52= 60-36= 7+75= 500-27= 91-23= 2250= 0346= 12532= 21500= 12504= 439+61= 392+208= 188+702= 15400= 200-47= 289-98= 66+25= 239+42= 6550= 65013= 740370= 7540= 14030= 295= 200-104= 15+97= 582= 724= 1000-37= 101+52= 47-19= 5405= 7406= 28300= 2512= 4350= 530-250= 185-86= 906= 700-7= 120+390= 64+36-58= 403825= 410-350-20= 2965= (18+25)4= 7125+125= 1007+7= 90-69+27= 25(100+2)= 95(100-1)= 7(40+7)= 645-(500-1)= 870-130-150= 53-38-14= 5000+4000-300= 283+164= 196+116= 827-59-241= 678-372-28= 17+15+18= 310+260+420= (305+30)5= 42018+580+180= 8.2+0.54+0.46= 2508= 3.9+2.03= 250-160= 827125= 12700= 1-0.2= (180+20)5= 719+（150+50）8= 2518= 4284= 272-97= 1.29-0.18= 198+27= 2.5+3.2= 8+0.4= 10340= (22+78)7= 1603= 2.4-1.7= 2.4-1.8= 0.25+0.75= 86.2+15.8= (25+24) 4= 8-2.5= 175-35= 420-150= 9+0.1= 46+49+51= 174-48-52= 1.05-0.09= 8(125+50)= 0.6+7.45= 724+284= 2008= 20-19.7= 731= 0.82+0.08= 0.56+0.4= 1.25100= 5.6+99= 90-0.9= 345+298= 1460= 360+640= 750-260= 7.8+2.2= 0.81-0.19= 1-0.37= 0.5+0.4= 0.9-0.3= 0.35+0.43= 2.8-1.2= 9.7-7= 7.8+2.2= 5.8-5= 6.7+3= 4060= 840 21= 40235= 2450= 1-0.08= 621-199= 12-1.46-0.54= 5.6+2.3+0.7= 110600= 256= 30270= 17575= 57 亿+13 亿= 61 万-25 万= 320168= 91258= 430270= 0.25+0.75= 38+90= 84 万-48 万= 25+125+125+125+125+125+125+125= 9.94.8= 254 4005 12200= 6025= 30015= 535= 4250= 0.6-0.47= 258= 1-0.06= 76 万+19 万= 670-500= 0.84.7= 0.75100= 0.08 +1.22= 4 万+256 万= 741000= 4(257)= 1-0.93= 7800= 9060= 760-450= 310+48= 240+160