Question

-1 3\11*(-2 2\21)=
_________
-4m-15n+3m+18n=
_________
b+(7-b)-(14-b)=
_________
(-1,14-0,96):(-4,2)+1,8*(-0,3)=
__________
-3(1,2x-2)-(4-4,6x)+6(0,2x-1))=

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Answer 1

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