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  • 1 # 上進的白雲5

    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

    6.10+12÷3+20=34

    7.(80÷20+80)÷4=21

    8.70+(100-10×5)=120

    9.360÷40+10= 19

    10.40×20-200= 600

    11.(80-25)*2= 110

    12.70+45=115

    13.90×2÷3= 60

    14.16×6÷3= 32

    15.300×6÷9= 200

    16.540÷9×7=420

    17.30×20÷15= 20

    18.400÷4×7= 700

    19.(350-80)÷9= 30

    20.160+70+50=280

    21.18-64÷8= 10

    22.42÷6+20=27

    23.40-5×7= 5

    24.80+60÷3=100

    25.41+18÷2= 50

    26.75-11×5= 20

    27.42+7-29= 20

    28.5600÷80=70

    29.25×16÷4= 100

    30.120×25÷5= 600

    31.36×11÷3= 132

    32.1025÷25×8=328

    33.336+70-6= 400

    34.25×9×4= 900

    35.200-33×3= 101

    36.3020-1010=2010

    37.12×50+10= 610

    38.25×8+199= 399

    39.23×11-13= 240

    40.125÷25-5=0

    41.4200-2200+200=2200

    42.220+80-150=150

    43.20×8×5= 800

    44.600-3×200=0

    45.20+20÷2= 30

    46.35-25÷5= 30

    47.36+8-40= 4

    1)25%*132+1/4*8 2)32*0.125*25

    =1/4*132+1/4*8 =(4+8)*0.125*25

    =1/4*(132+8) =(4*25)*(8*0.125)

    =1/4*140 =100*1

    =35 =1000

    3)75%*76+25*4+0.75*12

    =3/4*76+3/4*12+25*4

    =3/4*88+100

    =166

    4)3200*1/8÷2/5+1270 5)(2/3+4/5)*7/6

    =400*5/2+1270 =22/15*7/6

    =1000+1270 =77/45

    =2270

    5)6*(1/2+2/3) 6)132*(44÷176)

    =6*1/2+6*2/3 =132*1/4 =33

    =3+4

    =7

    7)72.25%*99+75.25%

    =75.25%*99+75.25%*1

    =75.25%*(99+1)

    =75.25%*100

    =75.25

    ①2700×(506-499)÷900 ②33.02-(148.4-90.85)÷2.5

    =2700×7÷900 =33.02-57.55÷2.5

    =18900÷900 =33.02-23.02

    =21 =10

    =(1-1)÷5.1 =18.1+1.7X1

    =0÷5.1 =18.1+1.7

    =0 =19.8

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