4×9=________ | 7×3=________ | 25-8=________ | 9×9-50=________ |
32-0=________ | 80-4=________ | 55+32=________ | 8×5+40=________ |
50-30=________ | 6×3=________ | 60-18=________ | 4+5×6=________ |
36+37=________ | 65-18=________ | 8×9=________ | 90-(32+18)=________ |
A.50个台阶 | B.60个台阶 | C.40个台阶 |
A.392×8 | B.4×597 | C.6×486 | D.3×684 |
A.200 | B.1200 | C.120 | D.2100 |
A.10个245的和 | B.12个245的和 | C.1个245 | D.2个245的和 |