38 times 11 equals 306? Give me a hand

38 times 11 equals 306? Give me a hand

28×11=308

Matchstick: 38 * 11 = 306 move one to make the formula hold

38 times 11 = 306; 28 times 11 = 308

7 * 9 + 12 / 3 = 91 should be bracketed there

7*(9+12/3)=91

Nine tenths, divided by three tenths, equals nine tenths of brackets, ten thirds of brackets divided by three tenths of brackets, ten thirds of brackets equals ten tenths of brackets, nine tenths of brackets multiplied by ten tenths of brackets, divided by one equals nine tenths of brackets multiplied by ten tenths of brackets

It is based on the division algorithm of fraction, that is, fraction divided by a number is equal to the reciprocal of multiplying the number. The derivation is correct