(5.6-2.8×2)÷1.4=


  1. A.
    0
  2. B.
    4
  3. C.
    2.8
  4. D.
    5.6
A
解:(5.6-2.8×2)÷1.4
=(5.6-5.6)÷1.4
=0÷1.4
=0
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觀察已知算式,尋找規(guī)律填空.
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1.23÷3=0.8×11=1-0.75=
1.7×0.4=0.36÷12=1.6+0.38=
1.2÷0.3=0.75×4=15×0.4=
2.14-0.9=4×0.25=10÷2.5=
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4.3-0.4=7-6.2=0.86-0.3=
8.8÷2.2=2.6÷0.2=0.15×3=
0.9÷0.45=0.27÷3=0.51+1.7=
0.6÷0.5=0.125×8=0.38×1000=
6.8-1.7=2.4×0.2=32.8+19=
0.56÷14=1÷0.05=6÷12=
0.14×5=3×1.4=4.9÷0.7=
0.4÷8=6.3+3.7=3.5×0.2=
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7.2+2.8=2.63+0.37=0.67+1.24=
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16÷1.6=
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