五年級180道脫式計算

1、(1 ) 280+840 + 24X5(2)84.7X7-54.7X7(3)28-(3.4+1.25 X 2.4)(4)36.72-4.25X 9.9(5)3.26 X 0.52+3.26 X 0.48+7.05(6)2.55X 7.1+2.45X 7.1(7)5180-705X6(8)87.4 X 27.6+73.4 X 87.4-87.4(9)777X 9+1111X3(10)24+2.4-2.5X0.8(11)10-(0.2+6.37 + 0.7) + 0.01(12)0.8 X15.5-(3.21+5.79)(13)(4121+2389)+7(14)5.7X 101(15)4.2 X

2、(12.5-7.5 + 0.75)(17)30.8 + 14-(9.85+1.07)(18)671X 15-974(19)31.5X4+(6+3)(20)405X (3213-3189)(21 )2.881 + 0.43-0.24X3.5(22)2+2.5+2.5 + 2(23)3.416-(0.016 X 35)(24)20 X (2.44-1.8) + 0.4+0.15(25)194-64.8+1.8 X 0.9(26)0.8X (10-6.76) +1.2(27)19.4X6.1X2.3(28)5.67X0.2-0.62(29)18.1X0.92+3.93(30 )0.0430.24+0

3、.875(31)0.4X 0.7X0.25(16)(31.8+3.2X4)+5(32)0.75X 102(48)81 + (72-54) X 9(63)98X 199(33)100-56.23(49) 57X 12-560+35(34)0.78+5.436+1(50) 848-640+16 X 12(35)469X 12+1492(51) 2800+ 100+789(36)60-(9.5+28.9) +0.18(52) 960+(1500-32X45)(37)0.64 X 25X 7.8+2.2(53) 192-(54+38) X 67(38)85 X (95-1440 + 24)(54)13

4、8X 25X4(39)125 X (33-1)(55)(12+24+80) X 50(40)37.4-(8.6+7.24-6.6)(56)704 X 25(41 )37.85-(7.85+6.4)(57)25X32X 125(42)(93+25X21)X9(58)32X(25+125)(43)384+ 12+23X 371(59) 178X 101-178(44)(39-21) X (396+ 6)(60) 84 X 36+64 X 84(45)156 X (17.7-7.2) + 3(61 )75X99+2X 75(46)37.85-(7.85+6.4) X 30(62)83X 102-83

5、X2(47)28 X (5+969.9 + 318)25 X (24+16)123 X 18-123 X 3+85 X 12379 X 42+79+79 X 577300+25+415.39X4.62+5.38X15.394.3+3.91 + (22-19.7)4.3+3.91 + (22-19.7)2.9 X 1.4+2 X 0.16200-(3.05+7.1) X 1830.8 + 14-(9.85+1.07)(2.44-1.8) + 0.4 X 202.9 X 1.4+2 X 0.165.4 X 2.08+66 X 0.208-2.0830.8 + 14-(9.85+1.07)(12.5

6、+1.25+0.125) X 80(80)94 + (6.84 X 8.5-31.46 + 0.55)(81 )9.2+9. 728-3.2 X 1. 5(82)10.5+(5. 1-4.4)+18.25(83 )(2.55 X 1.5+1.5+6.45 X 1.5) + 0.3(84 )(8.3-6.8) X 0.9+3.65 + 2.5(85)12.25-3.1+0.85-6.17(86)(1.9-1.9X 0.9)+(3.8-2.8)(87)2.65 X 1.7+1.35 X 1.7(88 )630+ 2.98+6.5 X (3.2-3.12)(89)9.1 - 33.6+5.6 X 1

7、.5(90 )(0.62 + 7.638 + 20.1) + 0.25(91 )1.8 - (7.5 - 2.25)+3.75(92 )2.706 + 5.3 -(0.8 + 0.75) X 2(93 )5.6X (10-2.4) + 7.6+ 1.6(94)8.37X0.4+9.6X8.37(64)(65)(66)(67)(68)(69)(70)(71 )(72)(73)(74)(75)(76)(77)(78)(79)32 X 125X2.55.28+12.5 X4.12X 0. 8+4.72(10.8-1.06-0.74) X 2.87+2.873.25 X (30.1-24.91 +4.

8、7)68.8-(7.8+16.08 X 2.5) + 1.37.05 X 23. 7+7.05 X 76.3)0.125X3.2X2.5)50+160 +40 X (58+370) + (64-45)120-144 + 18+35)347+45X2-4160 + 52)(58+37 ) + (64-9 X 5 )95+(64-45)178-145+ 5X 6+42)420+580-64 X 21 + 28)85+14X(14+208 + 26)(284+16) X (512-8208 + 18)(111 ) (58+37 ) + (64-9 X 5 )(112 ) (6.8-6.8X 0.55

9、)+8.5(113) 0.12X 4.8 + 0.12X4.8(114) (3.2 X 1.5+2.5 )+1.6(115) 6-1.6-4(116 ) 5.38+7.85-5.37(117) 7.2+0.8-1.2 X 5(118) 6-1.19 X 3-0.43(119) 6.5X (4.8-1.2X4 )(120 ) 0.68 X 1.9+0.32 X 1.9(121 ) 10.15-10.75 X 0.4-5.7(122 ) 5.8X (3.87-0.13 )+4.2 X 3.74(123 ) 32.52- (6+9.728 + 3.2) X 2.5(124 ) 100X 24+ (2

10、4-4 )(125) 7.2 X (9-5 )X0.3(95)(96)(97)(98)(99)(100(101(102(103(104(105(106(107(108(109(110)120-36X4 + 18+35(126 ) 120-144+18+35(142 ) 35.6-1.8-15.6-7.2(127 ) 347+45 X 2-4160 + 52(128 ) (58+37 ) + (64-9 X 5 )(129 ) 95 + (64-45)(130 ) (136+64) X (65-345 + 23)(131 ) 85+14X(14+208 + 26)(132 ) 120-36X4

11、+ 18+35(133 ) (58+37 ) + (64-9 X 5 )(134 ) (6.8-6.8 X 0.55) + 8.5(135 ) 0.12 X 4.8+0.12X4.8(136 ) 3.2 X (1.5+2.5) + 1.6(137 ) 4.02+5.4+0.98(138 ) 5.17-1.8-3.2(139 ) 13.75-(3.75+6.48)(140 ) 3.68+7.56-2.68(141 ) 7.85+2.34-0.85+4.66(143 ) 3.82+2.9+0.18+9.1(144) 9.6+4.8-3.6(145 ) 7.14-0.53-2.47(146 ) 5.

12、27+2.86-0.66+1.63(147 ) 13.35-4.68+2.65(148 ) 47.8-7.45+8.8(149 ) 0.398+0.36+3.64(150 ) 15.75+3.59-0.59+14.25(151 ) 42.5-(6.07+1.13)(152 ) 73.8-1.64-13.8-5.36(153 ) 66.86-8.66-1.34(154 ) 0.25X 16.2X4(155 ) 3.72X3.5+6.28X3.5(156 ) 36.8-3.9-6.1 2(157 ) 5.48-(9.4-0.52)(158 )4.8 X 7.8+78 X 0.52(174 )3.6-3.6X 0.8(159 )3.6 X 102(175)15.2+0.25+4(160 )6.4 X 0.25+3.6+4(176 )5.6+ 3.5(161 )32+4.9-0.9(177)9.6+0.8+ 0.4(162 )4.8-4.8 X 0.5(178 )4.2 X 99+4.2(163 )(1.25-0.125) X 8(179 )0.89 X 100.1(164 )4.8