Question

3.5÷0.125=?用简便方法计算

Answer 1

3.5÷0.125=?用简便方法计算

3.5÷0.125
=（3.5×8）÷（0.125×8）
=28÷1
=28

用简便方法计算。0.125*3.89*8 102*1.25 9.8*3.5

解：依题意得算式，
0.125×3.89×8
=0.125×8×3.89
=1×3.89
=3.89
102×1.25
=（100+2）×1.25
=100×1.25+2×1.25
=125+2.5
=127.5
9.8×3.56+5.44×9.8
=9.8×（3.56+5.44）
=（10-0.2）×9
=10×9-0.2×9
=90-1.8
=88.2

32×0.125用简便方法计算

8乘0.125再乘4，打不出乘号，也就是把32拆成8乘4

用简便方法计算．8.8×0.125 &

①8.8×0.125
=1.1×（8×0.125）
=1.1×1
=1.1；

②7.6×5.3+3.7×7.6
=7.6×（5.3+3.7）
=7.6×9
=68.4；

③0.8×0.02×12.5×5
=（0.8×12.5）×（0.02×5）
=10×0.1
=1．

9÷0.125 用简便方法计算

9÷0.125
=9x (1000/125)
=9x 8
=72

3.2÷0.125用简便方法计算

3.2*8 / 0.125*8
=25.6/1
=25.6

24.8×0.125用简便方法计算

24.8×0.125
=4×6.2×0.125
=4×0.125×6.2
=0.5×6.2
=3.1

用简便方法计算。 9÷0.125

9/0.125=9/(1/8)=9*8=72

0.125×88用简便方法计算

0.125×88
=0.125×（80+8）
=0.125×80+0.125×8
=10+1
=11