A.99,990 | B.990,89 | C.100,89 |
A.除以800 | B.乘800 | C.乘60 |
A.1 ![]() | B.2 ![]() | C.3 |
A.2 | B.3 | C.4 |
A.够用 | B.不够用 | C.不能确定 |
A.2 | B.4 | C.8 | D.9 |
A.①④ | B.①②④ | C.①③④ |
A.2 | B.3 | C.4 |
A.78×20=1560 | B.62×60=2480 | C.58×30=2740 |
A.100 | B.110 | C.120 |