第 1页（共 44页）小数乘法口算500 道+竖式 300 道第一部分口算500 道一． 计算题（共 50 小题）1. 直接写得数．0.5×1.4=80×0.125=2.5×0.4=0.036×100=0.24×5=0.12×0.5=35÷1000=2.2×0.5=0.12×5=0.04×0.1=3.5+0.15=8﹣6.9=2．口算．0.4×51.2×44×1.51×0.50.01×0.11.25×0.40.36×0.20.8×03．直接写出得数．0.12×6=1.25×0.4=30×0.8=12.5×0.8=3.73﹣0.8﹣1.73=3.26×0=3.25+0.74=5.2﹣2.64=0.24×5=4×0.05×2=3.9+7.1=6.2×0.5=0.25×0.4=0.036×100=3.64+6.36+5.5=4．直接写出得数．0.4×0.02=1.8×0.4=6×0.25=1.25×0.8=3﹣0.98=0.9÷0.01=3.9×0.01=99×0.25=5．直接写得数：0.5×3=0.45+0.4=4×0.25=10.2+11.3=0.09×100=8.7﹣0.5=0.96﹣0.7=12.9﹣2.9=3.69×0=38.7÷10=6．直接写得数：0.2×3=0.45+0.4=4×0.25=18.7+11.3=0.09×100=8.7﹣0.5=0.96﹣0.7=18﹣1.67=1×8.79=3.69×0=38.7÷10=2÷100=第 2页（共 44页）7．直接写出得数．0.28×10=0.9×5=8×0.06=0.05×1.6=100×0.7=2.5×8=1.06×7=12.5×0=1.7+3.3×0.2=0.2×0.2×0.2=8．直接写得数：0.2×36=0.45×2=4×0.25=3.8÷100=0.09×1000=1﹣0.9=0.96﹣0.7=2.5×7.4×4=9．口算0.2×0.4=8.2+1.8=6.45×0.01=2.5×0.4=0.8×50=2.4×5=0.9﹣0.52=10.2×4.5=10．直接写出得数．0.7×0.9=0.14×0.3=1.7×0.03=0.12×6=5.5×10=2.6×0.5=1.8×0.04=2.6×2﹣0.5=11．直接写出得数．5×1.8=0.8×1.5=0.65+0.35=9.8+1.2=0.25×4=1﹣0.63=10.75﹣0.5=1.25×80=1.7×0.9=4.6×0.5=1.42×100=19.8﹣8=12．直接写出得数．0.25×4=1.25×8=8.2×6.9×0=0.2×18=6.29×100=0.02×500=3.4×2=0.26×0.5=13．直接写得数0.2×4=0.8×25=0.57+0.43=2.8×10=18.4÷100=2.5×0.4=4.7﹣1.78=0.125×8=1.8×0.5=0.035×1000=14．口算第 3页（共 44页）0.4×20=1.3×3=0.25×50=0.9×3002.4×50=0.125×200=600×0.4=800×0.25=1500×0.2=15．列竖式计算．2.3×0.8=6.9×3.1=9.87×1.8=24.5×6.820.6×4.5=10.2×5.01=16．直接写得数．3.14×7=52=6π =62﹣20=402﹣302=b×b=3.14× 302=3.14×42=1.25×32=b+b=17．直接写得数．0.16×5=4.2×0.3=25×0.4=2×0.45=0.5×0.07=0.3×0.7×10=18．口算题．0.1×208=2.8×2=3×0.18=0.2×600=1.3×5=8×0.05=1.3×50=80×0.05=7.26×1=0.4×22=0.15×40=0.7×1.4= 1.25×10=4.5×0.02=0.03×8=0×1.001=0.8×12.5= 0.4×0.7=1....
