8.8÷1.1= 0.15×4= 3.6÷0.9= 4.5×2×0.7=
2.1b+1.9b= x-0.2x= 6.4+3.6×0= 0.5×0.8÷0.5×0.8=
1.08×25 2.07÷0.023 16.2÷0.85
3.6÷3=
2.8+1.6=
1÷8=
0.6×50=
9.8×8=
18.9-9.9=
0.36÷1.8=
5.4÷3=
0.34÷0.17= 9×0.5= 4.8+1.6= 0.35÷0.1=
0.56-0.4= 0÷3.65= 1.25×8= 0.4+0.6÷5=
100×0.9 = 0.99÷0.01= 0 ÷4.5 +5.5 =
0.25×0.2×4 = 1.25×0.8= 0.45÷45 =
8a -7a = 0.5×4÷0.5×4 =
0.68÷4= 10.5÷5= 0.7-0.28= 0.24÷3= 1-0.03=
0.72÷0.12= 0.18÷1.8= 9.3+2.83= 6.06÷6= 3.5×4.5=
中国银行人民币外汇牌价
2023年5月
1美元兑换人民币6.91元
1新元兑换人民币5.23元