Question

2.24-0.54 0.76-1.46用简便方法计算

Answer 1

2.24-0.54 0.76-1.46用简便方法计算

2.24-0.54
=2.24-0.3-0.24
=2-0.3
=1.7
0.76-1.46
=0.76-0.7-0.76
=-0.7

2.24一0.54十·0.76一1.46简便计算

2.24一0.54十·0.76一1.46
=2.24+0.76-0.54-1.46
=（2.24+0.76）-（0.54+1.46）
=3-2
=1

用简便方法计算2.24×99+2.24

2.24×99+2.24
=2.24×99+2.24x1
=2.24x（99+1）
=2.24x100
=224
希望帮到你 望采纳 谢谢 加油

6.4×2.24+2.24×3.6，简便方法计算

6.4×2.24+2.24×3.6=2.24×(6.4+3.6)=2.24×10=22.4

2.34-0.54—1.46的简便计算

2.34-0.54-1.46
=2.34-(0.54+1.46)
=2.34-2
=0.34

用简便方法计算:8.54-4.32-3.68+1.46

8.54-4.32-3.68+1.46
=(8.54+1.46)-(4.32+3.68)
=10-8
=2

5.4×3.9+61×0.54用简便方法计算

5.4×3.9+61×0.54用简便方法计算
=5.4×3.9+6.1×5.4
=5.4×（3.9+6.1）
=5.4×10
=54

0.54十1.8十1.2用简便方法计算

0.54十1.8十1.2
=1.8+1.2+0.54
=3+0.54
=3.54
满意采纳奥
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2.85减0.54减1.44用简便方法计算

2.85-0.54-1.44
=2.85-(0.54+1.44)
=2.85-1.99
=2.85-2+0.01
=0.86

2.24x0.18÷3.5用简便方法计算

2.24X0.18÷3.5
=3.2X0.7X0.18÷(5X0.7)
=3.2X0.2÷5-3.2X0.02÷5
=0.64÷5-0.064÷5
=0.128-0.0128
=0.1152