Question

Tolong jawab ini.sekalian di ksih negatif/positif

Answer 1

1. 405 : (-9) × (-5) = -45 × (-5) = 225 ---> (-) × (-) = +
2.756 - (-35) × 75 = 791 × 75 = 59.325 ----> ... - (-...) = ... + ....
3. 475 - 895 + 765 = -420 + 765 = 345
4.789 + 75 - 378 = 864 - 378 = 486
5.1258 + 3891 - 3875 = 5149 - 3875 = 1274 
semoga membantu sobat :) 

Answer 2

1. 405:(-9)×(-5)=-45×(-5)
=225
2. 756-(-35)×75=756+35×75
=756+2625
=3381
3.475-895+765=-420+765
=345
4.789+75-378=864-378
=486
5.1258+3891-387=5149-387
=4762