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6-(-12)÷(-3)3×(-4)+(-28)÷7====(-48)÷8-(-25)×(-6)42×(-2/3)+(-3/4)÷(-0.25)====(-2/5)÷(-...
6-(-12)÷(-3) 3×(-4)+(-28)÷7
= =
= =
(-48)÷8-(-25)×(-6) 42×(-2/3)+(-3/4)÷(-0.25)
= =
= =
(-2/5)÷(-5)×(-2) (-3/4)×(-1/6)÷(-9/4)
= =
= =
0.75+1/5÷(-4/5)-2/5×(-4/5) (5/12-7/18)÷(-5/36)
= =
= = 展开
= =
= =
(-48)÷8-(-25)×(-6) 42×(-2/3)+(-3/4)÷(-0.25)
= =
= =
(-2/5)÷(-5)×(-2) (-3/4)×(-1/6)÷(-9/4)
= =
= =
0.75+1/5÷(-4/5)-2/5×(-4/5) (5/12-7/18)÷(-5/36)
= =
= = 展开
2个回答
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=6-4 =-12-4
=2 =-16
=-6-150 =-28+3
=-156 =-25
=(2/25)*(-2) =(1/8)/(-9/4)
=-(4/25) =9/32
=0.75+0.25+8/25 =(1/36)/(-5/36)
=33/25 =-1/5
=2 =-16
=-6-150 =-28+3
=-156 =-25
=(2/25)*(-2) =(1/8)/(-9/4)
=-(4/25) =9/32
=0.75+0.25+8/25 =(1/36)/(-5/36)
=33/25 =-1/5
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