四年级上册数学计算题大全30道带答案(精选口算题20以内的加减法)
(22)321×19 (23)321×16 (24)1543÷42 (25)960÷32 (26)872÷19 (27)786÷86 (28)125×86 (29)335×26 (30)165×24 (31)710÷30 (32)930÷32 (33)864÷36 (34)694×17 (35)609÷87 (36)367÷24 (37)463÷49 (38)195×32 (39)245×31 (40)1117÷36 (42)82×403 (43)126×89 (44)203×32 (45)1700÷40 (46)336÷21 (47)138×49 (48)437×28 (49)437×28 (50)735÷25 (51)1080÷36 (52)28×312 (53)47×210 (54)858÷39 (55)918×27 (56)888÷37 (57)640÷32 (58)432÷46 (59)966÷23 (60)7311÷79 (61)850÷28 (62)437×28 (63)159÷94 (64)203×47 (65)725÷74 |