【1】(0.75+0.2)÷0.25×3【2】1/6÷【1÷(3/5-3/10)】
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![【1】(0.75+0.2)÷0.25×3【2】1/6÷【1÷(3/5-3/10)】](/uploads/image/z/2712527-71-7.jpg?t=%E3%80%901%E3%80%91%280.75%2B0.2%29%C3%B70.25%C3%973%E3%80%902%E3%80%911%2F6%C3%B7%E3%80%901%C3%B7%EF%BC%883%2F5-3%2F10%EF%BC%89%E3%80%91)
【1】(0.75+0.2)÷0.25×3【2】1/6÷【1÷(3/5-3/10)】
【1】(0.75+0.2)÷0.25×3【2】1/6÷【1÷(3/5-3/10)】
【1】(0.75+0.2)÷0.25×3【2】1/6÷【1÷(3/5-3/10)】
1】(0.75+0.2)÷0.25×3
=0.95×4×3
=3.8×3
=11.4
【2】1/6÷【1÷(3/5-3/10)】
=1/6÷(1-3/10)
=1/6÷7/10
=1/6×10/7
x=5/21
(0.75+0.2)÷0.25×3
=0.95÷0.25×3
=3.8×3
=11.4
1/6÷【1÷(3/5-3/10)】
=1/6÷(1÷3/10)
=1/6÷10/3
=1/6×3/10
=1/20
1...(0.75+0.2)÷0.25×3=0.95÷0.25×3=3.8X3=10.4
2...1/6÷【1÷(3/5-3/10)】=1/6÷【1÷(6/10-3/10)】=1/6÷(1÷3/10)
=1/6÷10/3
...
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1...(0.75+0.2)÷0.25×3=0.95÷0.25×3=3.8X3=10.4
2...1/6÷【1÷(3/5-3/10)】=1/6÷【1÷(6/10-3/10)】=1/6÷(1÷3/10)
=1/6÷10/3
=1/6X3/10
=1/20
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