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混合运算和答案

8*5/6+2/5÷4 1/2+3/4*5/12*4/5 8/9*3/4-3/8÷3/4 5/8÷5/4+3/23÷9/11 3/7 * 49/9 - 4/3 8/9 * 15/36 + 1/27 12* 5/6 2/9 *3 8* 5/4 + 1/4 6÷ 3/8 3/8 ÷6 4/7 * 5/9 + 3/7 * 5/9 5/2 -( 3/2 + 4/5 ) 7/8 + ( 1/8 + 1/9 ) 9 * 5/6 + 5/6 3/4 * 8/9 - 1/3 7 * 5/49 + 3/14 6 *(

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 + 3/1412.6 *( 1/2 + 2/3 )13.8 * 4/5 + 8 * 11/514.31 * 5/6 5/

(1)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(12)

(一)计算题: (1)23 (-73) (2)(-84) (-49) (3)7 (-2.04) (4)4.23 (-7.57) (5)(-7/3) (-7/6) (6)9/4 (-3/2) (7)3.75 (2.25) 5/4 (8)-3.75 ( 5/4) (-1.5) (9)( 1.3)-( 17/7) (10)(-2)-( 2/3) (11)|(-7.2)-(-6.3) (1.1)| (12)|(-5/4)-(-3/4)|-|1-5/4-|-3/4|) (13)(-4)( 6)(-7) (14)(-27)(-

几年级?这里有一些,答案的话可以按计算机的啦9405-2940÷28*21 920-1680÷40÷7 690+47*52-398 97-12*6+43 26*4-125÷5 148+3328÷64-75 360*24÷32+730 2100-94+48*54 51+(2304-2042)*23 4215+(4361-716)÷81 (247+18)*27÷25 36-

9405-2940÷28*21920-1680÷40÷7690+47*52-398 97-12*6+43 26*4-125÷5 148+3328÷64-75 360*24÷32+7302100-94+48*54 51+(2304-2042)*234215+(4361-716)÷81(247+18)*27÷25 36-720÷(360÷18)1080÷(63-54)*80 (528+912)*5-6178 8528

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