2026年口算训练四年级数学下册人教版升级版第80页答案
520 - 390 =
340 + 280 =
600×12 =
7400÷20 =
450 - 370 =
520 + 290 =
15×400 =
7400÷200 =
910 - 780 =
130×500 =
7200÷40 =
380 + 450 =
260×300 =
9500÷50 =
820 - 650 =
290 + 640 =
200×350 =
5400÷300 =
907×6 =
705÷5 =
12×800 =

答案

740 - 480 =
380 + 580 =
500×12 =
3000÷20 =
670 - 480 =
360 + 390 =
14×600 =
6400÷40 =
650 + 350 =
200×460 =
4200÷300 =
740 - 250 =
160 + 470 =
180×200 =
8100÷300 =
970 - 590 =
130×600 =
9600÷40 =
280÷56 =
360÷18 =
180÷36 =

答案

470 + 270 =
350 - 190 =
9600÷80 =
25×300 =
530 + 290 =
7800÷20 =
160×60 =
610 - 520 =
3600÷200 =
190×400 =
360 + 540 =
810 - 630 =
7600÷40 =
400×23 =
270 + 390 =
530 - 340 =
8500÷50 =
200×360 =
840÷42 =
420÷84 =
340÷68 =

答案