三年級上冊口算題練習(xí)題

小數(shù)乘整數(shù)9.9×9=8.3×6=7.6×6=3.7×5=1.76×9=0.47×9=8.39×6=7.61×6=5.67×5=4.53×7=3.48×4=9.71×6=0.16×7=0.34×7=1.62×9=8.48×5=9.66×6=7.9×400=5.5×900=2.8×20=2.6×500=2.4×700=0.9×800=8.5×40=小數(shù)乘整數(shù)9.9×300=8.5×400=4.4×900=9.4×300=6.6×800=8.3×90=5.1×300=7.9×200=8.5×500=6.1×60=6.2×200=6.3×800=9.2×50=8.9×70=4.47×40=9.89×400=1.01×800=6.08×80=3.98×40=0.77×400=7.52×20=7.33×90=2.63×70=6.11×20=6.05×20=9.49×400=2.58×900=7.19×600=8.19×470=4.28×510=4.55×420=9.95×450=8.36×300=5.06×690=4.96×980=3.04×570=9.92×270=7.44×390=6.72×390=5.48×390=0.45×690=1.59×960=5.04×810=1.76×820=9.93×220=小數(shù)乘法的運算定律3.2×8.36+1.64×3.2=8.5×3.3+3.7×8.5=7.6×4.6+3.4×7.6=7.4×8.75+1.25×7.4=7.4×1.54+3.46×7.4=8.8×7.3+2.7×8.8=6.8×8.3+1.7×6.8=3.2×4.3+5.7×3.2=4.3×3.6+6.4×4.3=7.3×2.8-1.8×7.3=6.7×2.5-1.5×6.7=6.9×8.3-6.3×6.9=7.2×2.8-1.8×7.2=3.7×8.49-4.49×3.7=3.9×2.6-1.6×3.9=4.9×9.42-7.42×4.9=2.7×0.8×2.5=2.5×7.6×1.6=3.2×7.6×2.5=9.6×2.5×0.4=3.5×2.8×2.5=7.2×2.4×2.5=3.4×2.5×3.2=2.5×8.8×0.4=3.1×2.5×2.8=2.5×4.5×0.4=1.2×7.5×2.5=3.9×2.4×2.5=6.2×9.9=6.4×99.1=2.1×9.6=6.9×9.5=小數(shù)乘小數(shù)4.2×0.4=3.2×0.2=1.3×0.3=3.8×0.9=9.5×0.8=6.5×0.9=3.3×0.8=0.5×0.7=2.83×0.8=3.45×0.6=3.56×0.7=8.55×0.4=3.97×0.7=5.24×0.8=0.89×0.8=6.42×0.4=5.76×0.8=5.66×0.2=1.87×0.4=6.72×0.4=9.33×0.3=3.43×0.4=3.44×0.3=2.16×0.4=2.85×0.5=0.21×7.4=9.7×7.28=2.76×8.59=6.51×9.92=3.01×3.89=9.79×5.28=9.76×3.73=9.42×6.56=5