四年级口算一天20道

138-89=540054 20034550-45018000600 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