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1、四年級數(shù)學下冊口算題大全每天50道四年級下冊口算題大全113889 54005420034 55045018000600 2700304514 18萬24萬89100= 0.82+0.08=731= 0.6310=410= 171000=0.56+0.4= 8025=1-0.93= 1.25100=5.6+99= 10025=90-0.9= 41100=8800400= 0.1210=60030= 7.59100=150+70= 356-98=1258= 6126=1280= 1.5100=84040= 0.125100=8100= 2.3+3.6=0.28+0.12= 7.3+2.7=7.5

2、-3.4= 1-0.35=3.610= 5.6+2.3+0.7=5172= 154-73-27=100025= 24X012=7.06100= 7.610=2.510= 65.8100=四年級下冊口算題大全291.051000= 30015=0.051000= 1460=5400600= 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)=32.819= 0.5117=24030= 10000.8=3.060.2= 8125=0.671.24= 76.28=8.

3、20.01= 9923=504= 51000=0.429.5= 100.5=65254= 0.08100=1.820.63= 4.51.5=10.63= 23199=3.72.5= 32+268=1.30.7 = 2.4+0.6 =7997= 24192419=7.52.8= 5.53.2=12062= 910070=4（3625）= 1-0.2=4.31.5= 3008416=四年級下冊口算題大全321.1 = 145-99=1025= 3.560=3.12+5.2= 11.38.6=0.23400= 0.59+0.22=600.5= 20.29=457+198= 756197=45+15-

4、45+15=5.4-2.5-1.4=0.361.2=53.30.2=5.53= 14.59.5=400258= 71.4=4168= 2.130=1.2538= 0.90.26=821202= 0.2550=30.25= 12516=7(100.5)= (0.180.9)9=16.4(3.5+6.4)= 8.32.50.4=0.6+0.6X99= (0.88+0.16)8=12.6+5.3+6.4= 9.60.45=61.4+64.6= 0.8（0.40.2）=13.6810.48= 0.740.001=5.4-2.5-1.4= 2-0.35-0.65=6.4+1.07-0.47= 1.50.

5、04=42035= 0.49+0.61=2.40.2= 0.640.16=5580=四年級下冊口算題大全411.7+2.3= 735-298=81027= 10-8.25=3200400= 360120=1.29-0.18= 15（100+3）=0.6+5.47= 36+54=7000200= 398+294=500-12= 240400=54-15= 25040=125800= 97-59=644= 998-299=1407= 299+455=1560= 9100700=90050= 17+49=25+68= 542-298=152-46= 620-290=100-79= 860-370=0

6、38= 670-540=894-399= 68101=1940= 474=95-64= 4019=952= 590+30=110050= 83-25=997+674= 3200200=420030= 5500500=446= 71-17=四年級下冊口算題大全590060= 60-52=60-36= 7+75=1000050= 500-27=6600110= 91-23=2250= 0346=12532= 21500=12504= 439+61=392+208= 188+702=15400= 200-47=289-98= 66+25=239+42= 6550=652= 545=65013= 740370=7540= 14030=96003200= 295=200-104= 15+97=582= 724=1000-37= 6000150=101+52= 47-19=5405= 7406=20000500= 28300=2512= 4350=530-250= 600120=185-86= 906=700-7= 120+390=