Question

88×109+12×109简便运算

88×109+12×109简便运算

Answer 1

88乘于109，就是有88个109相加。12乘于109就等于12个109相加。88乘109加12乘109,相当于88个109加上12个109，就等于100个109，所以等于100乘109

Answer 2

88×109+12×109
=（88+12）*109
=100*109
=10900

Answer 3

=（88 + 12） x 109
=100 x 109
=10900

Answer 4

88×109+12×109=（88+12）x109=100x109=10900

Answer 5

=（88+12）*109
=100*109
=10900