Question

0,5*2,94*2+2,94:0,25+2,94+2,94*4

Answer 1

0,5*2,94+2,94:0,25+2,94+2,94*4 = 52,2144

hổng bít đúng hay sai?

Answer 2

\(0,5\times2,94\times2+2,94\div0,25+2,94+2,94\times4\)

\(=2,94\times1+2,94\times4+2,94\times1+2,94\times4\)

\(=2,94\left(1+4+4+1\right)\)

\(=2,94\times10\)

\(=29,4\)