小學(xué)六年級數(shù)學(xué)四則運算簡便運算題

1、小學(xué)六年級數(shù)學(xué)四則運算簡便運算題簡便運算4 1 +3.2 +52 +6.825 X (8 X 0.4) X 1.251515 23335 / 1111+工 +包)X72 12 18 241293.5+3+ 271125-997998+1246+9989(8700+870+87) + 87125X 8.81.3+ 4.25 + 3.7 +3.7517.15(3.5 2.85 )3.4 X 99+ 3.44.8X 1.010.4c/ 457、1X ( 2.5 + 73)71(1.6 +1.6 +1.6 + 1.6 )12.3 2.45 -5.7 -4.55乂 25( 一 十 -)7 . n 15

2、x 2十 2 HX 0.125-r- 36100257X 0.25 X 64951197X1- + 0.125 X1 +0.52.423-1+ +4.58 X 14+ 32525+ 100 82243264.25-3 5 -(2 1 66-13)43.8+ 3.9 +3.9 +0.1 +0.1 +3.912.115 21)X10564.2 X 87+0.642 X 130078ccc，4X 36+7.8 X 741 7151317-x 17+ _ x 821124.75 -9.63 (8.25 -1.37)7.48 3.17 -(2.48 -6.38)551117-(3.8 1-)-13333

3、8779 790 66661 -995240.9999 0.7 0.1111 2.736 1.09 1.2 67.348 1.08 1.2 56.83223- 25- 37.9 6-6.8 16.8 19.3 3.281.5 15.8 81.5 51.8 67.6 18.51234 2341 3412 4123235 12.1 235 42.2-135 54.312468 24681 46812 68124 812465 _ 253828 106一旦+色)71413 )12包生互設(shè)151717151-IX5工137104nl (2.5+1.9 ) XO.56.5)5241125+1.9 XO.

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5、.75-2 330.84 +0.3 + (1.96 X18.9)56 -(0.15+9)20)+ 1.8 1325+540 18X1512.5 +8+9.5 X g +4 X 0.1252.1+712+ (3行-1.625)X12.5X2 -2.1 ; +9.63531 13 +731X 2+7-)33.8+1-3 +6.2+3142 X(4 1 -3.5)，(27382+3 -156)X1212.5 +8+3.5 X8 +0.12511(9.5+9 2 +92 +9.5) X11221 -(1 5 +13 (l 7 8(0.05+ 4 ) +0.25- 5 X 125%382+498 381

6、382 498-1165.351X 0.25+2.65 X-411 / 11+ 0.7+6 X ) X 257261 351,(33 + 4 -2 8)+(” 登%(4.20.8 X32.5 X 12.57.6 x 9.9 x 0.018.32 X 0.58-0.32 X0.588.4 X 57+8.4 X 42+8.40.3 X 2.5 X 0.041.25 +5+0.25 X2010.69-2.5 X 2.413 + 0.65 +27.2 X 10.1-7.21.2 X2.5+2.8 X2.532X0.65 +3.2 X 3.58 X g + 1591625X(4+ )2560x(-5 +

7、 -)12 15 2X 0.35+0.65 + -415P25 X 37-5%+lUIX 一8 4尸。.35 +0.65 + 3 4 1525袋 1Z+EX25%31 31121 卜 196 I 5Lr x 1000k125 125(1 +1)X 15 心 xl + g+9 32+&+IU1 5 3 5 9 5 5 800 I 9 -I-3 I 35 1 4M9 | 00ol0 !6 | 7 XM 1 j +6 1 5131SI00|-5 | 46 | 5X9 | 2X一 3T 4 I -4-7 1 5X2003|5-1-8J7,-14 1 3X8 1-1-H 4,7知 48二,|.5；3-1

8、.Q4132 |74-2 | 55 1 3X415 1l-x516+5-16xk 5 + 8JX46 6 83 4 40.747)x(1十)4 7 72 34.35M1 +8M4W55 512.06 +5.07 +2.9430.34+ 9.76 - 10.3434+4+1.71.25X0.81741.06 19.72 -20.287700+14 + 518.63 _ 3 _ X 3- - X325 X7X4883+巴7。1-Z-57 17791392一 33+384+255一1158 8799+ 2.5+0.413X 17 J1919301329 - X2713275.68 + ( 5.39

9、+4.32 ) 19.68(2.97 + 9.68 )7+( )171817(31.25 X ( 8+0.5 )0.25 X ( 4X1.2 )1.25X (213X0.8)0.74+(71X 衛(wèi))10024X ( - 3-1-1)(12+2) X712 8 6 37,319、, 57-X 520389.3100)930.92 X 1.41 +0.92 X 8.59167379 9X-X1.3 X 11.6 1.6 X 1.3一 x 11.6 + 18.4x 5135135517 / 1114X20X540X7X3X5(8X6) X 1254821-9983.2X 12.5 X 251.25x 88+ 0.1253.8X 9.9 +0.387 乂103- J-X1-J-2525253700-2185-81520 X ( 17X5)25X (40X32)(5X7) X804 X9X25X 25X5X4259+