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Simple calculation in grade three, how to calculate the following questions simply?
403- 198=403-200+2=205

0.9*46+(4.46+0. 14)

=0.9*46+4.6

=0.9*46+0. 1*46

=46

2 * 1 divided by (3/4-3/8) (you did it right)

=( 1/3)/(3/4-3/8)

=( 1/3)*(4/3)-( 1/3)*(8/3)

=4/9-8/9=-4/9