772-317+128-283
=(772+128)-(283+317)
=900-600
=300
3*1/4+14÷4+23*25%
=3*1/4+14*1/4+23*1/4
=1/4*(3+14+23)
=1/4*40
=10
简算 772-317+128-283 3*1/4+14除以4+23*25%
772-317+128-283
=(772+128)-(283+317)
=900-600
=300
3*1/4+14÷4+23*25%
=3*1/4+14*1/4+23*1/4
=1/4*(3+14+23)
=1/4*40
=10