问题
计算题
脱式计算,能简算的要简算。
|
答案
(1)原式=3.8+6.2+(5.46+4.54)
=10+10
=20
=108.15
(3)原式=(10+0.1)×13
=130+1.3
=131.3
=0.28×10
=2.8
阅读理解与欣赏
脱式计算,能简算的要简算。
|
(1)原式=3.8+6.2+(5.46+4.54)
=10+10
=20
=108.15
(3)原式=(10+0.1)×13
=130+1.3
=131.3
=0.28×10
=2.8