3.6+2.4×3+1.5÷2=18.75
3.6+2.4×3+1.5÷2=11.55
3.6+2.4×3+1.5÷2=6.15
3.6+2.4×3+1.5÷2=7.95
0.5×0.4÷0.5×0.4
=(0.5×0.4)÷(0.5×0.4)
4.2×0.6= 10-1.8=5.4×6×0.5= 0× = =
÷4= ×6÷6× = 1÷7× = 0.32=
x=
月份 |
用水量(m3) |
水费(元) |
4 |
18 |
41.40 |
5 |
26 |
66.40 |
3×0.9= 2.5×0.4= 0.6×0.8= 7÷3.5= 3.6×0.4=
80×0.3= 1.1×9= 0.48÷1.2= 1.25×4×0.8= 8.4÷4×5=
用电(度) |
每度电计价(元/度) |
200度(含200)以内 |
0.65 |
超出200度以上部分 |
0.82 |
①18.2+10×(0.96+1.04)
②6.21÷1.25÷0.8
③4.86×9.6+0.486×4
④1.3+2.9+8.7+13.31
⑤25×1.02
⑥21÷3.5+21÷1.5