1)√160×6,4= √1024=32
2) √313'2-312'2=√(313-312)×(313+312)=√1×625=√625=25
√(160 * 6,4) = √(16 * 64) = √16 * √64 = 4 * 8 = 32,
√(313² - 312²) = √(313 - 312)(313 + 312) = √(1 * 625) = 25,
1)√160×6,4= √1024=32
2) √313'2-312'2=√(313-312)×(313+312)=√1×625=√625=25
√(160 * 6,4) = √(16 * 64) = √16 * √64 = 4 * 8 = 32,
√(313² - 312²) = √(313 - 312)(313 + 312) = √(1 * 625) = 25,