Question

fill in the blank 1.2+0.209=1+0.4+9×___​

Answer 1

0.135

is the answer

is it helpful

Answer 2

$\huge\boxed{\mathfrak{\pink{\fcolorbox{red}{black}{QuEsTiOn:–}}}}$

fill in the blank 1.2+0.209=1+0.4+9×___

$\small\boxed{\mathfrak{\pink{\fcolorbox{red}{black}{AnSwEr:–}}}}$

Let the number be x

A/q, 1.2+0.209=0.4+9x

=1.409=0.4+9x

=9x+0.4=1.409

=9x=1.409-0.4

=x=1.009/9

=>x=0.11211

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