22+21-40=3(人)答:有3人語(yǔ)文,數(shù)學(xué)都得了滿分.題目意思不夠明確!
(21+22)-40
=43-40
=3(人)
答:有3人語(yǔ)文、數(shù)學(xué)都得了滿分.
2016-03-23
3人....21+22-40=3
22+21-40=3(人)答:有3人語(yǔ)文,數(shù)學(xué)都得了滿分.題目意思不夠明確!
(21+22)-40
=43-40
=3(人)
答:有3人語(yǔ)文、數(shù)學(xué)都得了滿分.
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