May 2020 1 46 Report
Sederhanakanlah:
a. 7xy² - 3xy² + 2xy²
b. 2ab² + 3b²a - b²a + 4ab²
c. 6r²st + 3r²ts - 5tsr²
d. 7xy²z³ + 5y²xz³ - 4z³xy²
e. 3xy - 4yz + 6xy - 3yz
f. 3rs + 4sr - 2r²


bantu ya kak,pliss
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