`21 xx 7+3 xx 44 - 5 - 6 xx 7.`

Find the missing term 5 xx 3 xx 9 = 395, 9 xx 7 xx 5 = 759, 7 xx 6 xx 4 = ?

What is the value of (1xx 2 +2xx 3-3xx 4 +4xx 5 -5 xx 6 +6 xx 7) ?

Find the product 1) 7.45 xx 32 2) 6.3 xx 7.4 3) 16.4 xx 6.11 4) 7.382 xx 14 5) 72.346 xx 16.21 6) 126.35 xx 7.44

Find the LCM of 2 xx 3 xx 5 xx 7 and 3 xx 5 xx 7 xx 11

Find the LCM of 2 xx 3 xx 5 xx 7 and 3 xx 5 xx 7 xx 11

21 + 3.7 xx 2.9 = ?

Explain why 7 xx 11 xx 13 + 13and 7 xx 6 xx 5 xx 4 xx 3 xx 2 xx 1 + 5 are composite numbers

7 xx {(-3)-(-6)} = 21 = 7 xx (-3) -7 xx (-6) = square-square=square=square=21 (Let's fill the blank squares.)

Find the unit digit of 3^6 xx 4^7 xx 6^3 xx 7^4 xx 8^2 xx 9^5 .