Question

数学简算题六年级升初难度啊（3＋4÷5）×1234＋7777÷（35÷186）＋543.2×38方便记录,读作：三又五分

Answer 1

(3+0.8)×1234+7777÷35×186＋543.2×38

=38×123.4+222.2×186+38×543.2

=38×(123.4+543.2)+222.2×186

=38×666.6+666.6×62

=(38+62)×666.6

=100×666.6

=66660