Question

【题目】（7.2-3.15）÷0.6×1.3

96.5×43.5+43.5×28.5-25×43.5

Answer 1

【答案】（7.2-3.15）÷0.6×1.3

=4.05÷0.6×1.3

=6.75×1.3

=8.775

96.5×43.5+43.5×28.5-25×43.5

=43.5×（96.5+28.5-25）

=43.5×100

=4350

【解析】先算括号内的乘法，再算括号内的减法，最后算括号外的，先算称出后算加减。