Question

看谁做得又对又快!
7.5×O.27+1.83
4.32-1.36×1.5
140-7.2×5.4
3.85+5.27×0.6．

Answer 1

（1）7.5×O.27+1.83
=2.025+1.83
=3.855；

（2）4.32-1.36×1.5
=4.32-2.04
=2.28；

（3）140-7.2×5.4
=140-38.88
=101.12；

（4）3.85+5.27×0.6
=3.85+3.162
=7.012．