小学四年级数学下册口算题和答案.doc

小学四年级数学下册口算题和答案1.45+156= 1352.25058=4003.6524=604.303+8=985.4004+205= 2006.10+123+20=347.(8020+80)4=218.70+(100-105)=1209.36040= 910.4020= 80011.80-25= 5512.70+45=11513.902= 18014.166= 9615.3006= 180016.5409=6017.3020= 60018.4004= 10019.350-80= 27020.160+70=23021.18-648= 1022.426+20=2723.40-57= 524.80+603=10025.41+182= 5026.75-115= 2027.42+7-29= 2028.560080=7029.2516= 40030.12025= 300031.3611= 39632.102525=4133.336+70= 40634.2594= 90035.200-333= 10136.3020-1010=201037.1250= 60038.258= 20039.2311= 25340.12525=541.4200-2200=200042.220+80= 30043.2085= 80044.600-3200=045.20+202= 3046.35-255= 3047.36+8-40= 448.280040=7049.9814 = 750.9624 = 451.5614 =452.6513 = 553.7515 = 554.12024 =555.20025 = 856.80016 = 5057.84021 =4058.56014 = 4059.39013 = 3060.60015 =4061.7224 = 362.8517 = 563.9015 =664.9616 = 665.7826 = 466.5117 =367.8040 = 268.10020 = 569.1004 =2570.24040 = 671.9204 = 23072.30060=573.642 = 3274.644 = 1675.505 =1076.608 = 7.577.964 = 2478.906 =1579.400+80 = 48080.400-80 = 32081.4080 =320082.40080 = 583.4816 = 384.9624 =485.1605= 80086.4250= 100087.0518= 088.1076= 76089.3610=36090.156= 9091.243= 7292.518= 9093.264= 7494.715=10595.3230= 96096.4015= 60097.6012= 72098.2330= 69099.3050=1500100.5700=3501.45+156= 135 2.25058=400 3.6524=60 4.303+8=98 5.4004+205= 200 6.10+123+20=34 7.(8020+80)4=21 8.70+(100-105)=120 9.36040= 9 10.4020= 800 11.80-25= 55 12.70+45=115 13.902= 180 14.166= 96 15.30