21/2×1 3/5 =? 3 7/9 ×1 5/17= ? 7 33/11×3 9/10=? 8 - вопрос №21213537915177331139108920213173248388332 от kirik2017 17.07.2021 07:58

Question

Математика: 21/2×1 3/5 =? 3 7/9 ×1 5/17= ? 7 33/11×3 9/10=? 8 9/20 ×2 /13 =? 17/32× 48=? 3 1/4 × 12 =?

kirik2017 · Answer

2 1/2*1 3/5=5/2*8/5=43 7/9*1 5/17=34/9*22/17=44/9=4 8/97 33/11*3 9/10=10*39/10=398 9/20*2/13=169/20*2/13=13/10=1 3/1017/32*48=51/2=25 1/21/4*12=3...