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50个脱式计算

408-12*24 (46+28)*60 42*50-1715÷5 32+105÷5 (108+47)*52 420*(327-238) (4121+2389)÷7 671*15-974 469*12+1492 405*(3213-3189) 5000-56*23 125*(97-81) 6942+

1、 1.25*(8+10)=1.25*8+1.25*10=10+12.5=22.52、1.24+0.78+8.76=(1.24+8.76)+0.78=10+0.78=10.783、1/2-(4/5-1/2)=1/2+1/2-4/5=1-4/5=1/54、4800÷25÷4=4800÷(25x4)

408-12*24 = 408 - 288 = 120 (46+28)*60 = 74 x 60 = 4440 42*50-17 = 2100- 17 = 2083 32+105÷5 = 32 + 21 = 53 420*(327-238) = 420 x 89 = 37380 (4121+2389)÷7 =

50道脱式计算 30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24*3.5 20*[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25*2.4) 2.55*7.1+2.45*7.1 777*9+1111*3 0.8*[15.5-(3.

1.45+15*6= 135 2.250÷5*8=400 3.6*5÷2*4=60 4.30*3+8=98 5.400÷4+20*5= 200 20 18.400÷4*7= 700 19.(350-80)÷9= 30 20.160+70+50=280 21.18-64÷8= 10 22.42÷6+

1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 2/3 29. 8/7 * 21/16 + 1/2 30. 101 * 1/5 1/5 * 21 31.50+160÷40 32.120-144÷18+35 33.

(1)2.5*32*0.125=(2.5*4)*(8*0.125)=10*1=10(2)3.5-7+6.5=3.5+6.5-7=3(3)1.2*2.5+0.8 =27.85-7.85+3.4=20+3.4=23.4(15)48*1.25+50*1.25*0.2*87.8*9.9+0.78=7.8*(9.9+0.1)

六年级下册数学脱式计算题1. 3/7 * 49/9 - 4/3 2. 8/9 * 15/36 + 1/27 3. 12* 5/6 - 2/9 *3 4. 8* 5/4 + 1/4 5. 6÷ 3/8 - 3/8 ÷6 6. 4/7 * 5/9 + 3/7 * 5/9

125-25*6 (135+75)÷(14*5) 120-60÷5*5 1024÷16*3 (135+415)÷5+16 1200-20*18 (120*2+120)÷9 164-13*5+85 330÷(65-50) 128-6*8÷16 64*(12+65÷13) 19*96-962÷74

1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23/4-3/4)*(3*6+2) 4. 3/7 * 49/ 32. 8/7 * 21/16 + 1/2 33. 101 * 1/5 1/5 * 21 34.50+160÷40 35.120-144÷18+35 36.

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