电子课本网 第64页

第64页

信息发布者:
=300+36×2
=300+72
=372
=20-10+5
=10+5
=15
=(300+36)×2
=336×2
=672
=600÷(30-15)
=600÷15
=40
=576-12
=564
=(900-560)÷34
=340÷34
=10
=840÷[15×4]
=840÷60
=14
=26×[180÷36]
=26×5
=130