来自高兴和的问题
怎样简便就怎样算.4.27÷0.7×1.318.9-18.9÷1.48×4.6+3.5×8+4.4×8.
怎样简便就怎样算.
4.27÷0.7×1.3
18.9-18.9÷1.4
8×4.6+3.5×8+4.4×8.
1回答
2020-04-07 20:55
怎样简便就怎样算.4.27÷0.7×1.318.9-18.9÷1.48×4.6+3.5×8+4.4×8.
怎样简便就怎样算.
4.27÷0.7×1.3
18.9-18.9÷1.4
8×4.6+3.5×8+4.4×8.
(1)4.27÷0.7×1.3
=6.1×1.3,
=7.93;
(2)18.9-18.9÷1.4
=18.9-13.5,
=5.4;
(3)8×4.6+3.5×8+4.4×8
=(4.6+4.4+3.5)×8,
=12.5×8,
=100.