4×21 ÷4×21 ＝0.75 ÷0.125 = 1÷0.6＝3.05＋6.2 ＝3.8 ×10％＝1-35％＝（41 －51 ）×201 = 9191×91= 5— 1.4— 1.6= 20×500= 199＋65= 1.5×25 ＝24×38 ＝2.4+1.6＝43× 95= 32+ 41= 4.8 ÷0.12= 21 ＋71 = 109÷32 = 1.35 ×56 ＋1.35 ÷6= 831)6141(480.99×9＋0.99＝0.56÷8= 32 ×51 ÷2×15＝7×3.14×72 ＝4÷54 －54 ÷4= 4- 38 - 58 ＝34 ÷12 = 4×56 = 400÷25÷8＝41 ×0.16×83 ＝21 －31 ＋51 ＝251 ×115 = （41 －51 ）× 20= 181 ×6.4= 420+590= 72÷3＝6.3×91 ×0.1＝0.5÷43 ÷21 ＝0.125 ×16= 2.58+7.42= （4181）×4= 4143= 7779 ×17 ＝（41 －51 ）×20= 181 ×6.4= 1÷10%= 1－0.92= 2+2%= 65 ×0.12÷21 ＝125×1.6= 12.56÷6.28= 8÷20＝2－53 = 100×1%= 4143= 6.4-3.25= 53 ÷51 －51 ÷53 = 12.5 ×8= 34 ×23 = (14＋13) ×24= 1÷32×23 =31 ÷3－91 = 2006 - 619＝6.4 －3.25= 9.3 ÷0.03= 88－55＝199+65＝2.5×0.4＝2÷0.01= 51 +61 +54 = 571－402＝(0.25＋14 ＋12 ) ×8＝13 ×19 ÷13 ×19 ＝0.62＋0.8= 81 ×1.25×8= 10÷0.01＝0.4 ÷0.9＋59 ＝10－4.7＝1÷94 = 1.05－0.86= 287 ÷2.875= 2－ 67 = 1÷12 － 12 ÷1= 9.3÷0.03= 212×4×51 ＝25×24＝4.2 ÷0.2＝3113× ÷ ×44444－25 = （0.18 ＋0.9）÷9 = 3 - 13 = 10÷1%= 7.2÷0.4= 9191×91= 6× 61÷6× 61= 1÷7＋76 ＝8.1 －621 ＝8×125％＝43＋96＝2006－619＝8÷20＝7.06－0.06= 3183＋715 ×60= 80÷ 180 = 1.5－53 ＝14 ÷25％＝57 ＋27 ÷2＝38 ÷214 ＝0.18 ÷0.15 ×0＝3.6－135 ＝2.5 ×4= 75×10%= 34×1697×3.14×72 ＝1－75 = 9÷91 = 35 ×15= 2.3 ×4= 265 ×0= 487 ÷4.875= 3.2×1.25= 0.8－41 = 4.2÷15 =7.4 + 6= 738 －(138 －59 )=0.24×300= 31 ×51 = 0.4+41= （95 －61 ）× 18 = 0. 5÷ 0. 25 =83 ＋165 ＝43 ÷6＝41 ×83 ＝145 ÷2110 ＝431－431×32 ＝12 － 13 = 67 ＋17 － 314 = 74×99＝6.3 ÷0.1= 13 - 14 = 0.45 ×1000 = 9÷51 = 8.7 －7= 786－298= 80÷801 ＝12－83 = 54 ×23 = 83 ÷52 = 123 ×15= 10÷101...
