1.若(x-2)²+/y+3/=0,则yˆ x 的值是________.1.若(x-2)²+/y+3/=0,则yˆ x 的值是________。2.若∠a=33°44′,则∠a的余角度数为________。3.如图,AB⊥BC,则AB<AC,其理由是______________________
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1.若(x-2)²+/y+3/=0,则yˆ x 的值是________.1.若(x-2)²+/y+3/=0,则yˆ x 的值是________。2.若∠a=33°44′,则∠a的余角度数为________。3.如图,AB⊥BC,则AB<AC,其理由是______________________
1.若(x-2)²+/y+3/=0,则yˆ x 的值是________.
1.若(x-2)²+/y+3/=0,则yˆ x 的值是________。2.若∠a=33°44′,则∠a的余角度数为________。3.如图,AB⊥BC,则AB<AC,其理由是________________________。4.某商品以八折的优惠价出售一件少收入15元,那么这件商品的原价是________元。
1.若(x-2)²+/y+3/=0,则yˆ x 的值是________.1.若(x-2)²+/y+3/=0,则yˆ x 的值是________。2.若∠a=33°44′,则∠a的余角度数为________。3.如图,AB⊥BC,则AB<AC,其理由是______________________
(x-2)^2=0 丨y+3丨=0
x=2 y=-3
y^x=9