简便运算考点强化练（试题）-六年级下册数学人教版

简便运算 计算下面各题，怎样简便就怎样算。 1.4.7×101-4.7 3 54×60%+45×三+0.6 5 2. 510,3104 8+8 5×(2÷3 12.5×0.97×0.86000÷(75-60)+20 3.①68.5+3.15+0.29+0.41 31 0125x05 ③9405-2940÷28×21 99.99 ⑤2.5×0+0*00 @居引 32×25%×0.125 0-0 5.0.175-0.25×4 :×28 6. 124×72-24×72 9.27-3.82-5.18+0.73 101×56-56 4×8×25×125 53×17+53×19-53×26 960÷5÷2 7. 39×74+26×39 32×11×25 120×[175-55)+401 (2)87x (3)37×+1.3+3 6 8 (4) 6 6r仔+6 9. 054f(24+子常) .11 (2)2.03×101 (3)346r号+8543 (4)50.24-32.2-17.8 10. 3+1x2 2+13+13 525 81616 2x2×08×149 79 12×3.9x 36x-月 9x3+1x75% 6 11411 11. 9444 075-)2+ 135135 4 5 39-2 3 （24-16）*48 )÷ 12. 5x10×7×17 7111 25 1 41×25%+4×60-0.25 13. (+ 各23+方号 15x7+70%×36+49x0.7 10 14. (1)999×222+333×334 2 2)×22×23 (4)x1631-031+710 57 15. 12x45÷1-2》 67*33号 24-315 3 462 16. 139x137-136+13636 138 137 11 1 1 1 1x3+3x5+5x7 …+ 17×1919×21 17. 2927x14 281 10+108758 4 8 5_3)51 16×（79 4.44 4 1x3+3x55×7 97×99 18. 3 897× 37.5%+104×0.375 6×27+16×19 111 1 8 ++ 2 3 248 128 参考答案： 1.47029 60:24 4.7×101-4.7 =4.7×(101-1) =470: 36日引 =36×1+36J 9 =9+20 =29: 54×60%+45×2+0.6 5 =54x0.6+45×0.6+0.6 =0.6×(54+45+1) =60: 3151 4+612 ×48 ×48 6 12 =36+8-20 =24 29 9.7:420 三×10+30 811811 0刈 0 11 4 4 ×(2× 4 器 12.5×0.97×0.8 =12.5×0.8×0.97 =10×0.97 =9.7 6000-(75-60)+20 =6000÷15+20 =400+20 =420 3.①73：②1 ③7200：④2 @9,@} ①68.5+3.15÷0.29+0.41 =68.5+3.15÷0.7 =68.5+4.5 =73 ②7x1+0.125x1+0.5 82 2 1 =2× 2 =1 ③9405-2940÷28×21 =9405-2940÷28×21 =9405-2205 =7200 @》8 715 22+6 =2 66 =2 ⑥25x9+9+9+9） (10101010 =2.5×9x4 10 .9 =2.5×4 10 -10x10 9 =9 ©居訓 7,7 =2010 1 4.50 1 124 0)38+g432号 152+2.8 35 1 (2)32×25%×0.125 =(8×4)×0.25x0.125 =(8×0.125)×(4×0.25) =1×1 =1 3*0-日2 310-2 8 5.2.8:5:28 0.175÷0.25×4 =0.7×4 =2.8 4x(3-1)x3 43 =4×3x3-1x3x4 43 =3×3-1×4 =9-4 =5 2.1+7 ×28 153215 2+2 7 二 ×(32+28) 7 =28 6.7200:1 5600:100000 530:96 124×72-24×72 =72×(124-24) =72×100 =7200 9.27-3.82-5.18+0.73 =9.27-(3.82+5.18)+0.73 =9.27-9+0.73 =0.27+0.73 =1 101×56-56 =56×(101-1) =56×100 =5600 4×8×25×125 =(4×25)×(8×125) =100×1000 =100000 53×17+53×19-53×26 =53×(17+19-26) =53×10 =530 960-5÷2 =960-(5×