1.4x3.2 = 4.48
0.78x10.5 = 8.19
2.90x4.33 = 12.56
4.33x1.8 =7.80
2.90x0.38 = 1.10
(答案取1位小數)
7.6x1.4 = 10.6
5.51x4.5 = 24.8
6.31x0.67 = 4.2
(答案又係要取2位小數)
0.61x0.07 = 0.04
4.81x0.5 = 2.41
6.95x2.3 = 15.99
6.7x2.85 = 19.10
0.55x5.18 = 2.85
6.02x9.8 = 59.00