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四年级四则混合运算500道

1) 86+49+114= 2) 240+(39-40)= 3) 255+(352+145+48)= 4) (345+377)+(55+23)= 5) 9+(80+191)= 6) (268+314+132)+86= 7) 5190÷15= 8) 495+(278+5)+222= 9) 174*36*25= 10) 399-199= 11) 48+(164+152)+36= 12) 133-(28+29)-43= 13) 1650÷25

812-700÷(9+31*11) 85+14*(14+208÷26)120-36*4÷18+35 (58+37)÷(64-9*5) (6.8-6.8*0.55)÷8.5 0.12* 4.8÷0.12*4.8 (3.2*1.5+2.5)÷1.6 6-1.6÷4= 5.38+7.85-5.37 7.2÷0.8-1.2*5

额……我知道帮不了你什么忙,学习进步~~~1. 3/7 * 49/9 - 4/32. 8/9 * 15/36 + 1/273. 12* 5/6 2/9 *34. 8* 5/4 + 1/45. 6÷ 3/8 3/8 ÷66. 4/7 * 5/9 + 3/7 * 5/97. 5/2 -( 3/2 + 4/5 )8. 7/8 + ( 1/8 + 1/9 )9. 9 * 5/6 + 5/610. 3/4 * 8/9 - 1/311. 7 * 5/49 + 3/1412.

(1) [1/3*5.8-(31+56)]÷9999 (2) {[987-789÷(555-159)]*5.7-6.9}*12 (3) 987.84-(278+322)÷15 1406+735*9÷45 3168-7828 (4) 796-5040÷(630÷7) 285+(3000-372)÷36 546*(2-1) (5) 28÷41*38-904 264+318-8280÷69 (174+209)*26- 9000 (6) 36-20÷(

21/7+6*8-3 5+6*31-51/3 63/7+5-(3*2) 5*9+6-8/2 5*5+66/11-18 5+6+8*7-5*2 20-8*2÷4 420*(13+57)*90 66196÷4+56*12 16*50-36÷4*38-987÷21 121 - 111 ÷ 37 (121 - 111 ÷ 37)* 5280 + 650 ÷ 13 1000 -(280 + 650 ÷ 13)707 - 35 * 20 (120 - 103)*

)3643-74+6357-76=9850 (2)39*24+39*46+39*30=3900 (3)108*35=3780 (4)345*98=33810 (5)25*64*125*5=1000000 (6)8500÷25=340 (7)94*73+27*94=9400 (8)125*79=9875 (9)1.2*99=118.8 (10)9÷0.25=36 (11)4.7*5.9+5.2*4.7-4.7*0.1=51.7

158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+

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