《2025年一本暑假计算加应用题四年级数学北师大版》

1. 直接写出得数。(每题 1★)
$3.6 + 4.7 = $8.3 $5.8 - 3.9 = $1.9 $12.5 - 7.5 = $5
$9.12 - 2.52 = $6.6 $6.8 + 1.3 = $8.1 $12.2 - 5.7 = $6.5
$5.4 - 4.7 = $0.7 $2.58 + 7.42 = $10 $3.43 + 1.08 = $4.51
$6.34 - 2.21 = $4.13 $6.2 + 3.08 = $9.28 $1.6 - 0.9 = $0.7
$13.3 - 6.28 = $7.02 $4.67 + 3.43 = $8.1 $7.08 + 1.34 = $8.42
$0.34 + 3.95 = $4.29 $8.63 - 7.9 = $0.73 $9.37 - 5.32 = $4.05

答案： 8.3 1.9 5
6.6 8.1 6.5
0.7 10 4.51
4.13 9.28 0.7
7.02 8.1 8.42
4.29 0.73 4.05

2. 计算下面各题,能简算的要简算。(每题 6★)
$7.38 - 2.79 + 3.6$ $7.38 + 41.6 - 21.46$
$85.7 - (26.23 + 43.7)$ $6.54 + (7.7 + 8.46)$
$48.76 - 9.68 - 23.32$ $13.42 + (31.25 - 17.65)$

答案： 8.19 27.52
15.77 22.7
15.76 27.02