4 bài nhé : A; \(0,9\times95+1,8\times2+0,9\) B; \(\frac{\subset100\times44+50\times64\supset\times\subset37414,8\div1000+2242,52\div100\supset}{16\times14,96\times25\times\subset27\times38+19\times146\supset}\) C\(\frac{\left(4,5\times4,8+15\times264-2,4\times9\right)\times\left(15+975,5\right)}{1980\times1981}\) D;\(\frac{19,8\div0,2\times44,44\times2\times13,20\div0,25}{3,3\times88,88\div0,5\times6,6\div0,125\times5}\)
cai gi the DƯƠNG ...................!
