A.1 | B.2 | C.3 | D.无法确定 |
A.7×5=35 8×5=40 35+40=75 |
B.6×5=30 9×5=45 30+45=75 |
C.10×5=50 5×5=25 50+25=75 |
A.1 | B.2 | C.3 | D.4 |
A.16的4倍是多少 | B.16里面有几个4 | C.4个16的和是多少 |
A.先算乘法 | B.先算加法 |
C.从左往右按顺序计算 |
A.34×0 | B.34+0 | C.34×1 |
A.1 | B.2 | C.没有 |
A.1 | B.0 | C.10 |
A.10×4+28 | B.11×4+24 | C.14×7 | D.8×4+36 |
A.2 | B.3 | C.4 |