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(3.6)÷(-2 )
= -3.6÷2
= -1.8
1/2÷(1/4)
=1/2×4
=2
(-3.5)÷7/5
= -3.5×5/7
= -2.5
(-9)÷3*(-3)
= 9÷3×3
=9
1/6÷(-5)*(-5/7 -3.5÷7/8*(-3/4)
= -1/30×【 -5/7-4×(-3/4)】
= -1/30×【16/7】
= -8/105
= -3.6÷2
= -1.8
1/2÷(1/4)
=1/2×4
=2
(-3.5)÷7/5
= -3.5×5/7
= -2.5
(-9)÷3*(-3)
= 9÷3×3
=9
1/6÷(-5)*(-5/7 -3.5÷7/8*(-3/4)
= -1/30×【 -5/7-4×(-3/4)】
= -1/30×【16/7】
= -8/105
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