A.张老师和李老师一共买了138支铅笔 | B.张老师比李老师少买了18支铅笔 |
C.张老师和李老师一共花了276元 | D.李老师比张老师多买了18支铅 |
A.376 | B.364 | C.391 |
A.63 | B.62 | C.61 |
A.600分 | B.600周 | C.600时 | D.600月 |
A.1500÷5÷300 | B.1500÷(300÷5) | C.1500÷(5×300) | D.(1500-300)÷(300÷5) |
A.明明 | B.芳芳 | C.乐乐 |
A.12 | B.15 | C.16 |
A.1330 | B.1270 | C.1350 |
A.13 | B.14 | C.15 |
A.434÷51 | B.632÷71 | C.520÷60 |