1)125 ×(17 × 8)× 4 2)375 × 480 + 6250 × 48
3)25 × 16 ×125
5)75000 ÷ 125 ÷ 15 7)150 × 40 ÷ 50 7)
9)210 ÷ 42 × 6 11)67 × 21 +18 × 21 + 85 × 79 321 × 19
13)222222 × 999999 333333
15)56000 ÷ (14000 ÷ 16)
1
4)13 × 99
6)7900 ÷ 4 ÷ 25
8)5600 ÷(25 × 10)39600 ÷ 25 12)321 × 81 + 14)333333 × )6321 × 909090
16+6321 × 90909
17)34 × 3535 -35 × 3434 18)27000 ÷ 125
19)345345 ÷ 15015 20)347 + 358 + 352 + 349
21)75 × 45 + 17 × 25 + 407 +
23)(48 × 75 ×81)÷(24 × 25 × 27)
四年级数学简便计算题及答案:
1)125 ×(17 × 8)× 4 × 48
= 125×8×4×17 =1000×68 =68000
3)25 × 16 ×125 =25×2×8×125
2
22)599996 + 49997 + 3998 2)375 × 480 + 6250 =480×(375+625)
=480000
4)13 × 99 =13×(100-1)
=50000 =1300-13
=1287
5)75000 ÷ 125 ÷ 15 6)7900 ÷ 4 ÷ 25
=75×1000÷125÷15 =75÷15×1000÷125 =5×8
=40
7)150 × 40 ÷ 50 7) =150÷50×40 =56×100÷25÷7
=3×40 =120 9)210 ÷ 42 × 6
3
=7900÷(4×25)
=79
8)5600 ÷(25 × =56÷7×100÷25
10)39600 ÷ 25 =32
=210÷7÷6×6 =396×100÷25
=30 =396×4
=1584
11)67 × 21 +18 × 21 + 85 × 79 =21×(67+18)+85×79 =21×85+85×79 =85×(21+79)
=8500
13)222222 × 999999 333333
=222222×(1000000-1) 999999
=222222000000-222222 (1000000-1)
4
)321 × 81 + 321 × 19
=321×(81+19) =32100
14)333333 × =111111× =111111× 12
=222221777778 =111111000000-111111
=1111108888
15)56000 ÷ (14000 ÷ 16) 16)6321 × 909090 +6321×90909 =56000÷14000×16 =4×16 = 17)34 × 3535 -35 × 3434 =34×35×101-35×34×101 125
=0 19)345345 ÷ 15015 352 + 349
=6321×999999
=6321×(100000-1)
=6321000000-6321
=6320345679
18)27000 ÷ 125
=27×1000÷ =27×8
=216
20)347 + 358 + 5
=345×1001÷(15×1001) =350×4-3+8+2-1
=345÷15×1001÷1001 =1400+6
=23 =1406
21)75 × 45 + 17 × 25 407 + =600000+50000+4000-4-3-2+407+
=25×(135+17) =25×152 =25×4×38
=3800
23)(48 × 75 ×81)÷(24 × 25 × 27)
=48÷24×75÷25×81÷27
=2×3×3
=18
6
22) 599996 + 49997 + 3998 +
=25×3×45+17×25 =600+487
=65887
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