0.86×7 2.14×62 0.375×12 1.8×395 0.45×108 1.056×25 1.8×23 0.37×0.4 1.06×25 7×0.86 0.6×0.39 128×0.4= 78×0.6= 9.6×3.2= 65×0.05= 54×0.12= 32×0.4= 36×0.18= 42×0.003= 78×0.06= 45×0.005= 81×0.03= 7.2×0.002= 1000×1.25= 10×2.5= 120×0.024= 7.5×5= 8.6×0.002= 0.0036×3.6= 8.6×2= 2.5×0.005= 0.36×0.0006= 7.5×2= 6.3×21= 8.6×0.0043= 46×0.0023= 8.4×0.0084= 1.28×3.2= 9.8×0.7= 4.6×0.023= 0.009×0.005= 39×0.0003= 133×.0007= 5.05×0.5= 123000×1.23= 0.00125×50= 5.6×700= 760×0.008= 4.329×6= 492×0.004= 18.63×0.03= 27×0.436 40÷80= 15×5= 23×3= 12×2×5= 480÷80= 16×5= 27×3= 90÷15= 48÷4= 640÷16= 39÷3= 24×20= 32×3= 48÷16= 12×8= 27×3= 56÷14= 24÷8= 14×2= 83－45= 560÷80= 96÷24= 40÷20= 40×30= 37＋26= 76－39= 605＋59= 30×23= 12×8= 7＋32= 48＋27= 4500×20= 73＋15 = 120×600 = 200×360= 6800×400= 280＋270= 4×2500= 6000÷40= 5×1280= 310－70= 400×14= 470＋180= 1000÷25= 160×600= 20×420= 290×300= 8100÷300= 7600÷200= 本文来源：https://www.wddqw.com/doc/fcc0cbf1a1116c175f0e7cd184254b35eefd1ac7.html